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BOSTON MARATHON 2026

Chelsey Huffman

Bib: 27671β€’F

MA

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
32:06
3.11 mi
Rank: #26815
Start β†’ 5K
32:06 | 10:20/mi
10K
1:04:09
6.21 mi
Rank: #26669 (+146)
5K β†’ 10K
32:03 | 10:19/mi
15K
1:36:34
9.32 mi
Rank: #26625 (+44)
10K β†’ 15K
32:25 | 10:27/mi
20K
2:09:57
12.43 mi
Rank: #26602 (+23)
15K β†’ 20K
33:23 | 10:45/mi
HALF
2:16:58
13.11 mi
Rank: #26571 (+31)
20K β†’ HALF
7:01 | 10:18/mi
25K
2:44:02
15.53 mi
Rank: #26582 (-11)
HALF β†’ 25K
27:04 | 11:10/mi
30K
3:19:31
18.64 mi
Rank: #26499 (+83)
25K β†’ 30K
35:29 | 11:26/mi
20M
3:34:14
20.00 mi
Rank: #26370 (+129)
30K β†’ 20M
14:43 | 10:51/mi
21M
3:46:12
21.00 mi
Rank: #26294 (+76)
20M β†’ 21M
11:58 | 11:58/mi
35K
3:54:55
21.75 mi
Rank: #26313 (-19)
21M β†’ 35K
8:43 | 11:40/mi
23M
4:09:07
23.00 mi
Rank: #26256 (+57)
35K β†’ 23M
14:12 | 11:21/mi
24M
4:20:41
24.00 mi
Rank: #26250 (+6)
23M β†’ 24M
11:34 | 11:34/mi
40K
4:31:17
24.85 mi
Rank: #26263 (-13)
24M β†’ 40K
10:36 | 12:24/mi
25.2M
4:35:43
25.20 mi
Rank: #26255 (+8)
40K β†’ 25.2M
4:26 | 12:52/mi
FINISH
4:46:54
26.22 mi
Rank: #26263 (-8)
25.2M β†’ FINISH
11:11 | 10:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:16:58
Pace10:27 /mi
2nd Half
Distance13.11 mi
Time2:29:56
Pace11:27 /mi
πŸ“ŠPositive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2132:0610:2032:06
10:20
-
10K
6.21 mi12:26:241:04:0910:2032:03
10:19
-0:01
15K
9.32 mi12:58:491:36:3410:2232:25
10:27
+0:08
20K
12.43 mi13:32:122:09:5710:2833:23
10:45
+0:18
HALF
13.11 mi13:39:132:16:5810:277:01
10:18
-0:27
25K
15.53 mi14:06:172:44:0210:3427:04
11:10
+0:52
30K
18.64 mi14:41:463:19:3110:4335:29
11:26
+0:16
20M
20.00 mi14:56:293:34:1410:4314:43
10:51
-0:35
21M
21.00 mi15:08:273:46:1210:4711:58
11:58
+1:07
35K
21.75 mi15:17:103:54:5510:498:43
11:40
-0:18
23M
23.00 mi15:31:224:09:0710:5014:12
11:21
-0:19
24M
24.00 mi15:42:564:20:4110:5211:34
11:34
+0:13
40K
24.85 mi15:53:324:31:1710:5510:36
12:24
+0:50
25.2M
25.20 mi15:57:584:35:4310:574:26
12:52
+0:28
FINISH
26.22 mi16:09:094:46:5410:5811:11
10:59
-1:53

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:18 /mi

Average Pace

10:57 /mi

Slowest Pace

12:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:16:58

48% of race

Time at Steady Pace

1:42:39

36% of race

Time at Slower Pace

47:17

16% of race

Average Pace: 10:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:54:2132:0610:2032:06
10:20
#26815
10K
6.21 mi12:26:241:04:0910:2032:03
10:19
#26669
15K
9.32 mi12:58:491:36:3410:2232:25
10:27
#26625
20K
12.43 mi13:32:122:09:5710:2833:23
10:45
#26602
HALF
13.11 mi13:39:132:16:5810:277:01
10:18
#26571
25K
15.53 mi14:06:172:44:0210:3427:04
11:10
#26582
30K
18.64 mi14:41:463:19:3110:4335:29
11:26
#26499
20M
20.00 mi14:56:293:34:1410:4314:43
10:51
#26370
21M
21.00 mi15:08:273:46:1210:4711:58
11:58
#26294
35K
21.75 mi15:17:103:54:5510:498:43
11:40
#26313
23M
23.00 mi15:31:224:09:0710:5014:12
11:21
#26256
24M
24.00 mi15:42:564:20:4110:5211:34
11:34
#26250
40K
24.85 mi15:53:324:31:1710:5510:36
12:24
#26263
25.2M
25.20 mi15:57:584:35:4310:574:26
12:52
#26255
FINISH
26.22 mi16:09:094:46:5410:5811:11
10:59
#26263
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26815111691116926571(Top 92%)11061(Top 88%)11061(Top 637%)
10K6.21 mi3.10 mi26669+14611100+6911100+6926569(Top 92%)11056(Top 88%)11056(Top 636%)
15K9.32 mi3.11 mi26625+4411072+2811072+2826571(Top 92%)11061(Top 88%)11061(Top 637%)
20K12.43 mi3.11 mi26602+2311075-311075-326608(Top 92%)11105(Top 88%)11105(Top 639%)
HALF13.11 mi0.68 mi26571+3111061+1411061+1426289(Top 91%)10929(Top 87%)10929(Top 629%)
25K15.53 mi2.42 mi26582-1111071-1011071-1026576(Top 92%)11132(Top 89%)11132(Top 641%)
30K18.64 mi3.11 mi26499+8311055+1611055+1626029(Top 90%)10909(Top 87%)10909(Top 628%)
20M20.00 mi1.36 mi26370+12910999+5610999+5624600(Top 85%)10245(Top 81%)10245(Top 590%)
21M21.00 mi1.00 mi26294+7610964+3510964+3525028(Top 86%)10518(Top 84%)10518(Top 606%)
35K21.75 mi0.75 mi26313-1910984-2010984-2026301(Top 91%)11196(Top 89%)11196(Top 645%)
23M23.00 mi1.25 mi26256+5710962+2210962+2225182(Top 87%)10672(Top 85%)10672(Top 614%)
24M24.00 mi1.00 mi26250+610967-510967-526043(Top 90%)11129(Top 88%)11129(Top 641%)
40K24.85 mi0.85 mi26263-1310984-1710984-1726409(Top 91%)11349(Top 90%)11349(Top 653%)
25.2M25.20 mi0.35 mi26255+810982+210982+225874(Top 89%)11052(Top 88%)11052(Top 636%)
FINISH26.22 mi1.02 mi26263-811003-2111003-2126083(Top 90%)11185(Top 89%)11185(Top 644%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26571

Females

11061

F40-44

11061

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26569

Females

11056

F40-44

11056

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26571

Females

11061

F40-44

11061

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26608

Females

11105

F40-44

11105

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26289

Females

10929

F40-44

10929

HALF→25K

13.1 - 15.5 mi

Top 92%
Γ—4
+66ft-88ft

Overall

26576

Females

11132

F40-44

11132

25K→30K

15.5 - 18.6 mi

Top 90%
Γ—9
+181ft-148ft

Overall

26029

Females

10909

F40-44

10909

30K→20M

18.6 - 20.0 mi

Top 85%
Γ—5
+64ft-50ft

Overall

24600

Females

10245

F40-44

10245

20M→21M

20.0 - 21.0 mi

Top 86%
Γ—8
+106ft-24ft

Overall

25028

Females

10518

F40-44

10518

21M→35K

21.0 - 21.8 mi

Top 91%
Γ—7
+17ft-86ft

Overall

26301

Females

11196

F40-44

11196

35K→23M

21.8 - 23.0 mi

Top 87%
Γ—5
+23ft-63ft

Overall

25182

Females

10672

F40-44

10672

23M→24M

23.0 - 24.0 mi

Top 90%
Γ—6
+12ft-82ft

Overall

26043

Females

11129

F40-44

11129

24M→40K

24.0 - 24.9 mi

Top 91%
Γ—1
+6ft-20ft

Overall

26409

Females

11349

F40-44

11349

40K→25.2M

24.9 - 25.2 mi

Top 89%
Γ—1
+13ft-16ft

Overall

25874

Females

11052

F40-44

11052

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
Γ—2
+22ft-21ft

Overall

26083

Females

11185

F40-44

11185

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1220*
Passed By
668
Net Change
+552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26815
5K β†’ 10K257*111+146#26815#26669
10K β†’ 15K151107+44#26669#26625
15K β†’ 20K126103+23#26625#26602
20K β†’ HALF365+31#26602#26571
HALF β†’ 25K7384-11#26571#26582
25K β†’ 30K14259+83#26582#26499
30K β†’ 20M1312+129#26499#26370
20M β†’ 21M9115+76#26370#26294
21M β†’ 35K2039-19#26294#26313
35K β†’ 23M7922+57#26313#26256
23M β†’ 24M3428+6#26256#26250
24M β†’ 40K3144-13#26250#26263
40K β†’ 25.2M1810+8#26263#26255
25.2M β†’ FINISH3139-8#26255#26263
TOTALS1220*668+552

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing