Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Cheryl Borgstrom

Bib: 21879 β€’F β€’Age: N/A

NV

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
24:59
3.11 mi
Rank: #17247
Start β†’ 5K
24:59 | 8:03/mi
10K
50:01
6.21 mi
Rank: #17448 (-201)
5K β†’ 10K
25:02 | 8:04/mi
15K
1:15:52
9.32 mi
Rank: #18004 (-556)
10K β†’ 15K
25:51 | 8:20/mi
20K
1:42:27
12.43 mi
Rank: #18436 (-432)
15K β†’ 20K
26:35 | 8:34/mi
HALF
1:48:08
13.11 mi
Rank: #18472 (-36)
20K β†’ HALF
5:41 | 8:21/mi
25K
2:09:28
15.53 mi
Rank: #18739 (-267)
HALF β†’ 25K
21:20 | 8:48/mi
30K
2:40:11
18.64 mi
Rank: #19746 (-1007)
25K β†’ 30K
30:43 | 9:54/mi
20M
2:53:36
20.00 mi
Rank: #20004 (-258)
30K β†’ 20M
13:25 | 9:53/mi
21M
3:04:14
21.00 mi
Rank: #20213 (-209)
20M β†’ 21M
10:38 | 10:38/mi
35K
3:12:02
21.75 mi
Rank: #20434 (-221)
21M β†’ 35K
7:48 | 10:26/mi
23M
3:24:18
23.00 mi
Rank: #20537 (-103)
35K β†’ 23M
12:16 | 9:49/mi
24M
3:33:11
24.00 mi
Rank: #20456 (+81)
23M β†’ 24M
8:53 | 8:53/mi
40K
3:41:32
24.85 mi
Rank: #20500 (-44)
24M β†’ 40K
8:21 | 9:46/mi
25.2M
3:45:19
25.20 mi
Rank: #20548 (-48)
40K β†’ 25.2M
3:47 | 10:59/mi
FINISH
3:55:03
26.22 mi
Rank: #20675 (-127)
25.2M β†’ FINISH
9:44 | 9:34/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:08
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:06:55
Pace9:41 /mi
πŸ“ŠPositive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1324:598:0324:59
8:03
-
10K
6.21 mi11:51:1550:018:0325:02
8:04
+0:01
15K
9.32 mi12:17:061:15:528:0925:51
8:20
+0:16
20K
12.43 mi12:43:411:42:278:1526:35
8:34
+0:14
HALF
13.11 mi12:49:221:48:088:155:41
8:21
-0:13
25K
15.53 mi13:10:422:09:288:2121:20
8:48
+0:27
30K
18.64 mi13:41:252:40:118:3630:43
9:54
+1:06
20M
20.00 mi13:54:502:53:368:4113:25
9:53
-0:01
21M
21.00 mi14:05:283:04:148:4710:38
10:38
+0:45
35K
21.75 mi14:13:163:12:028:507:48
10:26
-0:12
23M
23.00 mi14:25:323:24:188:5312:16
9:49
-0:37
24M
24.00 mi14:34:253:33:118:538:53
8:53
-0:56
40K
24.85 mi14:42:463:41:328:558:21
9:46
+0:53
25.2M
25.20 mi14:46:333:45:198:573:47
10:59
+1:13
FINISH
26.22 mi14:56:173:55:038:599:44
9:34
-1:25

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

8:03 /mi

Average Pace

8:58 /mi

Slowest Pace

10:59 /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

2:18:21

59% of race

Time at Steady Pace

1:14:29

32% of race

Time at Slower Pace

22:13

9% of race

Average Pace: 8:58 /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 mi11:26:1324:598:0324:59
8:03
#17247
10K
6.21 mi11:51:1550:018:0325:02
8:04
#17448
15K
9.32 mi12:17:061:15:528:0925:51
8:20
#18004
20K
12.43 mi12:43:411:42:278:1526:35
8:34
#18436
HALF
13.11 mi12:49:221:48:088:155:41
8:21
#18472
25K
15.53 mi13:10:422:09:288:2121:20
8:48
#18739
30K
18.64 mi13:41:252:40:118:3630:43
9:54
#19746
20M
20.00 mi13:54:502:53:368:4113:25
9:53
#20004
21M
21.00 mi14:05:283:04:148:4710:38
10:38
#20213
35K
21.75 mi14:13:163:12:028:507:48
10:26
#20434
23M
23.00 mi14:25:323:24:188:5312:16
9:49
#20537
24M
24.00 mi14:34:253:33:118:538:53
8:53
#20456
40K
24.85 mi14:42:463:41:328:558:21
9:46
#20500
25.2M
25.20 mi14:46:333:45:198:573:47
10:59
#20548
FINISH
26.22 mi14:56:173:55:038:599:44
9:34
#20675
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi172476060606019114(Top 66%)7102(Top 56%)7102(Top 398%)
10K6.21 mi3.10 mi17448-2016188-1286188-12817695(Top 61%)6324(Top 50%)6324(Top 354%)
15K9.32 mi3.11 mi18004-5566495-3076495-30719114(Top 66%)7102(Top 56%)7102(Top 398%)
20K12.43 mi3.11 mi18436-4326727-2326727-23219644(Top 68%)7431(Top 59%)7431(Top 416%)
HALF13.11 mi0.68 mi18472-366751-246751-2419340(Top 67%)7244(Top 58%)7244(Top 406%)
25K15.53 mi2.42 mi18739-2676917-1666917-16620239(Top 70%)7776(Top 62%)7776(Top 435%)
30K18.64 mi3.11 mi19746-10077519-6027519-60222808(Top 79%)9184(Top 73%)9184(Top 514%)
20M20.00 mi1.36 mi20004-2587671-1527671-15222244(Top 77%)8973(Top 71%)8973(Top 502%)
21M21.00 mi1.00 mi20213-2097792-1217792-12122268(Top 77%)9028(Top 72%)9028(Top 505%)
35K21.75 mi0.75 mi20434-2217921-1297921-12924166(Top 83%)10076(Top 80%)10076(Top 564%)
23M23.00 mi1.25 mi20537-1037981-607981-6021582(Top 74%)8780(Top 70%)8780(Top 492%)
24M24.00 mi1.00 mi20456+817960+217960+2118969(Top 65%)7511(Top 60%)7511(Top 421%)
40K24.85 mi0.85 mi20500-447995-357995-3521259(Top 73%)8716(Top 69%)8716(Top 488%)
25.2M25.20 mi0.35 mi20548-488022-278022-2722316(Top 77%)9235(Top 73%)9235(Top 517%)
FINISH26.22 mi1.02 mi20675-1278088-668088-6622526(Top 78%)9348(Top 74%)9348(Top 523%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
Γ—21
+97ft-345ft

Overall

19114

Females

7102

F45-49

7102

5K→10K

3.1 - 6.2 mi

Top 61%
Γ—5
+79ft-138ft

Overall

17695

Females

6324

F45-49

6324

10K→15K

6.2 - 9.3 mi

Top 66%
Γ—3
+67ft-78ft

Overall

19114

Females

7102

F45-49

7102

15K→20K

9.3 - 12.4 mi

Top 68%
Γ—5
+106ft-86ft

Overall

19644

Females

7431

F45-49

7431

20K→HALF

12.4 - 13.1 mi

Top 67%
Γ—2
+19ft-37ft

Overall

19340

Females

7244

F45-49

7244

HALF→25K

13.1 - 15.5 mi

Top 70%
Γ—4
+66ft-88ft

Overall

20239

Females

7776

F45-49

7776

25K→30K

15.5 - 18.6 mi

Top 79%
Γ—9
+181ft-148ft

Overall

22808

Females

9184

F45-49

9184

30K→20M

18.6 - 20.0 mi

Top 77%
Γ—5
+64ft-50ft

Overall

22244

Females

8973

F45-49

8973

20M→21M

20.0 - 21.0 mi

Top 77%
Γ—8
+106ft-24ft

Overall

22268

Females

9028

F45-49

9028

21M→35K

21.0 - 21.8 mi

Top 83%
Γ—7
+17ft-86ft

Overall

24166

Females

10076

F45-49

10076

35K→23M

21.8 - 23.0 mi

Top 74%
Γ—5
+23ft-63ft

Overall

21582

Females

8780

F45-49

8780

23M→24M

23.0 - 24.0 mi

Top 65%
Γ—6
+12ft-82ft

Overall

18969

Females

7511

F45-49

7511

24M→40K

24.0 - 24.9 mi

Top 73%
Γ—1
+6ft-20ft

Overall

21259

Females

8716

F45-49

8716

40K→25.2M

24.9 - 25.2 mi

Top 77%
Γ—1
+13ft-16ft

Overall

22316

Females

9235

F45-49

9235

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
Γ—2
+22ft-21ft

Overall

22526

Females

9348

F45-49

9348

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
725
Passed By
2113
Net Change
-3428
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#17247
5K β†’ 10K193200-201#17247#17448
10K β†’ 15K47200-556#17448#18004
15K β†’ 20K59200-432#18004#18436
20K β†’ HALF1652-36#18436#18472
HALF β†’ 25K71200-267#18472#18739
25K β†’ 30K34200-1007#18739#19746
30K β†’ 20M39200-258#19746#20004
20M β†’ 21M36200-209#20004#20213
21M β†’ 35K10200-221#20213#20434
35K β†’ 23M51154-103#20434#20537
23M β†’ 24M9817+81#20537#20456
24M β†’ 40K3680-44#20456#20500
40K β†’ 25.2M1260-48#20500#20548
25.2M β†’ FINISH23150-127#20548#20675
TOTALS7252113-3428
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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