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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chalee Welch

Bib: 17499 β€’F β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 41%
Gender (Female)
#0 / 12578
Top 25%
Age Group (F18-39)
#0 / 5716
Top 44%
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
24:38
3.11 mi
Rank: #16395
Start β†’ 5K
24:38 | 7:56/mi
10K
48:47
6.21 mi
Rank: #15908 (+487)
5K β†’ 10K
24:09 | 7:47/mi
15K
1:12:40
9.32 mi
Rank: #15397 (+511)
10K β†’ 15K
23:53 | 7:42/mi
20K
1:36:25
12.43 mi
Rank: #14802 (+595)
15K β†’ 20K
23:45 | 7:39/mi
HALF
1:41:28
13.11 mi
Rank: #14654 (+148)
20K β†’ HALF
5:03 | 7:25/mi
25K
1:59:34
15.53 mi
Rank: #14033 (+621)
HALF β†’ 25K
18:06 | 7:28/mi
30K
2:23:04
18.64 mi
Rank: #13332 (+701)
25K β†’ 30K
23:30 | 7:34/mi
20M
2:33:20
20.00 mi
Rank: #13010 (+322)
30K β†’ 20M
10:16 | 7:34/mi
21M
2:41:13
21.00 mi
Rank: #12774 (+236)
20M β†’ 21M
7:53 | 7:53/mi
35K
2:46:49
21.75 mi
Rank: #12684 (+90)
21M β†’ 35K
5:36 | 7:30/mi
23M
2:56:15
23.00 mi
Rank: #12466 (+218)
35K β†’ 23M
9:26 | 7:33/mi
24M
3:03:42
24.00 mi
Rank: #12310 (+156)
23M β†’ 24M
7:27 | 7:27/mi
40K
3:10:09
24.85 mi
Rank: #12170 (+140)
24M β†’ 40K
6:27 | 7:33/mi
25.2M
3:12:53
25.20 mi
Rank: #12083 (+87)
40K β†’ 25.2M
2:44 | 7:56/mi
FINISH
3:20:07
26.22 mi
Rank: #11889 (+194)
25.2M β†’ FINISH
7:14 | 7:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:41:28
Pace7:45 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time1:38:39
Pace7:32 /mi
πŸ“ŠNegative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:2524:387:5624:38
7:56
-
10K
6.21 mi11:30:3448:477:5224:09
7:47
-0:09
15K
9.32 mi11:54:271:12:407:4823:53
7:42
-0:05
20K
12.43 mi12:18:121:36:257:4623:45
7:39
-0:03
HALF
13.11 mi12:23:151:41:287:455:03
7:25
-0:14
25K
15.53 mi12:41:211:59:347:4218:06
7:28
+0:03
30K
18.64 mi13:04:512:23:047:4123:30
7:34
+0:06
20M
20.00 mi13:15:072:33:207:4110:16
7:34
0:00
21M
21.00 mi13:23:002:41:137:417:53
7:53
+0:19
35K
21.75 mi13:28:362:46:497:415:36
7:30
-0:23
23M
23.00 mi13:38:022:56:157:409:26
7:33
+0:03
24M
24.00 mi13:45:293:03:427:407:27
7:27
-0:06
40K
24.85 mi13:51:563:10:097:406:27
7:33
+0:06
25.2M
25.20 mi13:54:403:12:537:402:44
7:56
+0:23
FINISH
26.22 mi14:01:543:20:077:397:14
7:06
-0:50

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

7:06 /mi

Average Pace

7:38 /mi

Slowest Pace

7:56 /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

2:44:52

82% of race

Time at Steady Pace

35:15

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi11:06:2524:387:5624:38
7:56
#16395
10K
6.21 mi11:30:3448:477:5224:09
7:47
#15908
15K
9.32 mi11:54:271:12:407:4823:53
7:42
#15397
20K
12.43 mi12:18:121:36:257:4623:45
7:39
#14802
HALF
13.11 mi12:23:151:41:287:455:03
7:25
#14654
25K
15.53 mi12:41:211:59:347:4218:06
7:28
#14033
30K
18.64 mi13:04:512:23:047:4123:30
7:34
#13332
20M
20.00 mi13:15:072:33:207:4110:16
7:34
#13010
21M
21.00 mi13:23:002:41:137:417:53
7:53
#12774
35K
21.75 mi13:28:362:46:497:415:36
7:30
#12684
23M
23.00 mi13:38:022:56:157:409:26
7:33
#12466
24M
24.00 mi13:45:293:03:427:407:27
7:27
#12310
40K
24.85 mi13:51:563:10:097:406:27
7:33
#12170
25.2M
25.20 mi13:54:403:12:537:402:44
7:56
#12083
FINISH
26.22 mi14:01:543:20:077:397:14
7:06
#11889
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi163955555555514435(Top 50%)4399(Top 35%)4399(Top 77%)
10K6.21 mi3.10 mi15908+4875267+2885267+28815380(Top 53%)4929(Top 39%)4929(Top 86%)
15K9.32 mi3.11 mi15397+5114978+2894978+28914435(Top 50%)4399(Top 35%)4399(Top 77%)
20K12.43 mi3.11 mi14802+5954622+3564622+35613222(Top 46%)3785(Top 30%)3785(Top 66%)
HALF13.11 mi0.68 mi14654+1484516+1064516+10612267(Top 42%)3172(Top 25%)3172(Top 55%)
25K15.53 mi2.42 mi14033+6214181+3354181+33511151(Top 38%)2721(Top 22%)2721(Top 48%)
30K18.64 mi3.11 mi13332+7013833+3483833+34810192(Top 35%)2370(Top 19%)2370(Top 41%)
20M20.00 mi1.36 mi13010+3223687+1463687+1469551(Top 33%)2183(Top 17%)2183(Top 38%)
21M21.00 mi1.00 mi12774+2363583+1043583+1049152(Top 32%)2111(Top 17%)2111(Top 37%)
35K21.75 mi0.75 mi12684+903543+403543+4010793(Top 37%)2905(Top 23%)2905(Top 51%)
23M23.00 mi1.25 mi12466+2183440+1033440+1039182(Top 32%)2189(Top 17%)2189(Top 38%)
24M24.00 mi1.00 mi12310+1563382+583382+589747(Top 34%)2557(Top 20%)2557(Top 45%)
40K24.85 mi0.85 mi12170+1403333+493333+499213(Top 32%)2394(Top 19%)2394(Top 42%)
25.2M25.20 mi0.35 mi12083+873289+443289+448031(Top 28%)1913(Top 15%)1913(Top 33%)
FINISH26.22 mi1.02 mi11889+1943205+843205+848394(Top 29%)2108(Top 17%)2108(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
Γ—21
+97ft-345ft

Overall

14435

Females

4399

F18-39

4399

5K→10K

3.1 - 6.2 mi

Top 53%
Γ—5
+79ft-138ft

Overall

15380

Females

4929

F18-39

4929

10K→15K

6.2 - 9.3 mi

Top 50%
Γ—3
+67ft-78ft

Overall

14435

Females

4399

F18-39

4399

15K→20K

9.3 - 12.4 mi

Top 46%
Γ—5
+106ft-86ft

Overall

13222

Females

3785

F18-39

3785

20K→HALF

12.4 - 13.1 mi

Top 42%
Γ—2
+19ft-37ft

Overall

12267

Females

3172

F18-39

3172

HALF→25K

13.1 - 15.5 mi

Top 38%
Γ—4
+66ft-88ft

Overall

11151

Females

2721

F18-39

2721

25K→30K

15.5 - 18.6 mi

Top 35%
Γ—9
+181ft-148ft

Overall

10192

Females

2370

F18-39

2370

30K→20M

18.6 - 20.0 mi

Top 33%
Γ—5
+64ft-50ft

Overall

9551

Females

2183

F18-39

2183

20M→21M

20.0 - 21.0 mi

Top 32%
Γ—8
+106ft-24ft

Overall

9152

Females

2111

F18-39

2111

21M→35K

21.0 - 21.8 mi

Top 37%
Γ—7
+17ft-86ft

Overall

10793

Females

2905

F18-39

2905

35K→23M

21.8 - 23.0 mi

Top 32%
Γ—5
+23ft-63ft

Overall

9182

Females

2189

F18-39

2189

23M→24M

23.0 - 24.0 mi

Top 34%
Γ—6
+12ft-82ft

Overall

9747

Females

2557

F18-39

2557

24M→40K

24.0 - 24.9 mi

Top 32%
Γ—1
+6ft-20ft

Overall

9213

Females

2394

F18-39

2394

40K→25.2M

24.9 - 25.2 mi

Top 28%
Γ—1
+13ft-16ft

Overall

8031

Females

1913

F18-39

1913

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
Γ—2
+22ft-21ft

Overall

8394

Females

2108

F18-39

2108

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4734*
Passed By
228
Net Change
+4506
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#16395
5K β†’ 10K592*105+487#16395#15908
10K β†’ 15K562*51+511#15908#15397
15K β†’ 20K603*8+595#15397#14802
20K β†’ HALF1513+148#14802#14654
HALF β†’ 25K622*1+621#14654#14033
25K β†’ 30K706*5+701#14033#13332
30K β†’ 20M324*2+322#13332#13010
20M β†’ 21M238*2+236#13010#12774
21M β†’ 35K10313+90#12774#12684
35K β†’ 23M223*5+218#12684#12466
23M β†’ 24M1659+156#12466#12310
24M β†’ 40K15313+140#12310#12170
40K β†’ 25.2M892+87#12170#12083
25.2M β†’ FINISH203*9+194#12083#11889
TOTALS4734*228+4506

* 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

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