Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Rachel Brock

Bib: 28036 β€’F β€’Age: N/A

MA

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
26:31
3.11 mi
Rank: #20289
Start β†’ 5K
26:31 | 8:33/mi
10K
52:57
6.21 mi
Rank: #20291 (-2)
5K β†’ 10K
26:26 | 8:31/mi
15K
1:19:28
9.32 mi
Rank: #20288 (+3)
10K β†’ 15K
26:31 | 8:33/mi
20K
1:46:18
12.43 mi
Rank: #20210 (+78)
15K β†’ 20K
26:50 | 8:39/mi
HALF
1:51:58
13.11 mi
Rank: #20153 (+57)
20K β†’ HALF
5:40 | 8:19/mi
25K
2:13:26
15.53 mi
Rank: #20223 (-70)
HALF β†’ 25K
21:28 | 8:52/mi
30K
2:42:00
18.64 mi
Rank: #20275 (-52)
25K β†’ 30K
28:34 | 9:12/mi
20M
2:54:46
20.00 mi
Rank: #20311 (-36)
30K β†’ 20M
12:46 | 9:24/mi
21M
3:04:44
21.00 mi
Rank: #20327 (-16)
20M β†’ 21M
9:58 | 9:58/mi
35K
3:11:32
21.75 mi
Rank: #20340 (-13)
21M β†’ 35K
6:48 | 9:06/mi
23M
3:23:14
23.00 mi
Rank: #20320 (+20)
35K β†’ 23M
11:42 | 9:21/mi
24M
3:32:52
24.00 mi
Rank: #20397 (-77)
23M β†’ 24M
9:38 | 9:38/mi
40K
3:40:43
24.85 mi
Rank: #20346 (+51)
24M β†’ 40K
7:51 | 9:11/mi
25.2M
3:44:10
25.20 mi
Rank: #20335 (+11)
40K β†’ 25.2M
3:27 | 10:01/mi
FINISH
3:53:31
26.22 mi
Rank: #20364 (-29)
25.2M β†’ FINISH
9:21 | 9:11/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
Time1:51:58
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:01:33
Pace9:17 /mi
πŸ“ŠPositive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3326:318:3326:31
8:33
-
10K
6.21 mi12:14:5952:578:3226:26
8:31
-0:02
15K
9.32 mi12:41:301:19:288:3226:31
8:33
+0:02
20K
12.43 mi13:08:201:46:188:3426:50
8:39
+0:06
HALF
13.11 mi13:14:001:51:588:335:40
8:19
-0:20
25K
15.53 mi13:35:282:13:268:3621:28
8:52
+0:33
30K
18.64 mi14:04:022:42:008:4228:34
9:12
+0:20
20M
20.00 mi14:16:482:54:468:4512:46
9:24
+0:12
21M
21.00 mi14:26:463:04:448:489:58
9:58
+0:34
35K
21.75 mi14:33:343:11:328:496:48
9:06
-0:52
23M
23.00 mi14:45:163:23:148:5111:42
9:21
+0:15
24M
24.00 mi14:54:543:32:528:539:38
9:38
+0:17
40K
24.85 mi15:02:453:40:438:537:51
9:11
-0:27
25.2M
25.20 mi15:06:123:44:108:543:27
10:01
+0:50
FINISH
26.22 mi15:15:333:53:318:559:21
9:11
-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

8:19 /mi

Average Pace

8:55 /mi

Slowest Pace

10:01 /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

2:13:26

57% of race

Time at Steady Pace

1:17:02

33% of race

Time at Slower Pace

23:03

10% of race

Average Pace: 8:54 /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 mi11:48:3326:318:3326:31
8:33
#20289
10K
6.21 mi12:14:5952:578:3226:26
8:31
#20291
15K
9.32 mi12:41:301:19:288:3226:31
8:33
#20288
20K
12.43 mi13:08:201:46:188:3426:50
8:39
#20210
HALF
13.11 mi13:14:001:51:588:335:40
8:19
#20153
25K
15.53 mi13:35:282:13:268:3621:28
8:52
#20223
30K
18.64 mi14:04:022:42:008:4228:34
9:12
#20275
20M
20.00 mi14:16:482:54:468:4512:46
9:24
#20311
21M
21.00 mi14:26:463:04:448:489:58
9:58
#20327
35K
21.75 mi14:33:343:11:328:496:48
9:06
#20340
23M
23.00 mi14:45:163:23:148:5111:42
9:21
#20320
24M
24.00 mi14:54:543:32:528:539:38
9:38
#20397
40K
24.85 mi15:02:453:40:438:537:51
9:11
#20346
25.2M
25.20 mi15:06:123:44:108:543:27
10:01
#20335
FINISH
26.22 mi15:15:333:53:318:559:21
9:11
#20364
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 mi202897797779720349(Top 70%)7776(Top 62%)7776(Top 435%)
10K6.21 mi3.10 mi20291-27770+277770+2720402(Top 70%)7813(Top 62%)7813(Top 437%)
15K9.32 mi3.11 mi20288+37756+147756+1420349(Top 70%)7776(Top 62%)7776(Top 435%)
20K12.43 mi3.11 mi20210+787741+157741+1520092(Top 69%)7683(Top 61%)7683(Top 430%)
HALF13.11 mi0.68 mi20153+577710+317710+3119178(Top 66%)7149(Top 57%)7149(Top 400%)
25K15.53 mi2.42 mi20223-707755-457755-4520486(Top 71%)7914(Top 63%)7914(Top 443%)
30K18.64 mi3.11 mi20275-527799-447799-4420496(Top 71%)7994(Top 64%)7994(Top 448%)
20M20.00 mi1.36 mi20311-367833-347833-3420687(Top 71%)8184(Top 65%)8184(Top 458%)
21M21.00 mi1.00 mi20327-167854-217854-2120323(Top 70%)8027(Top 64%)8027(Top 449%)
35K21.75 mi0.75 mi20340-137868-147868-1420394(Top 70%)8136(Top 65%)8136(Top 456%)
23M23.00 mi1.25 mi20320+207866+27866+220040(Top 69%)7999(Top 64%)7999(Top 448%)
24M24.00 mi1.00 mi20397-777926-607926-6021780(Top 75%)8927(Top 71%)8927(Top 500%)
40K24.85 mi0.85 mi20346+517915+117915+1119231(Top 66%)7694(Top 61%)7694(Top 431%)
25.2M25.20 mi0.35 mi20335+117918-37918-319479(Top 67%)7812(Top 62%)7812(Top 437%)
FINISH26.22 mi1.02 mi20364-297944-267944-2621217(Top 73%)8679(Top 69%)8679(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
Γ—21
+97ft-345ft

Overall

20349

Females

7776

F45-49

7776

5K→10K

3.1 - 6.2 mi

Top 70%
Γ—5
+79ft-138ft

Overall

20402

Females

7813

F45-49

7813

10K→15K

6.2 - 9.3 mi

Top 70%
Γ—3
+67ft-78ft

Overall

20349

Females

7776

F45-49

7776

15K→20K

9.3 - 12.4 mi

Top 69%
Γ—5
+106ft-86ft

Overall

20092

Females

7683

F45-49

7683

20K→HALF

12.4 - 13.1 mi

Top 66%
Γ—2
+19ft-37ft

Overall

19178

Females

7149

F45-49

7149

HALF→25K

13.1 - 15.5 mi

Top 71%
Γ—4
+66ft-88ft

Overall

20486

Females

7914

F45-49

7914

25K→30K

15.5 - 18.6 mi

Top 71%
Γ—9
+181ft-148ft

Overall

20496

Females

7994

F45-49

7994

30K→20M

18.6 - 20.0 mi

Top 71%
Γ—5
+64ft-50ft

Overall

20687

Females

8184

F45-49

8184

20M→21M

20.0 - 21.0 mi

Top 70%
Γ—8
+106ft-24ft

Overall

20323

Females

8027

F45-49

8027

21M→35K

21.0 - 21.8 mi

Top 70%
Γ—7
+17ft-86ft

Overall

20394

Females

8136

F45-49

8136

35K→23M

21.8 - 23.0 mi

Top 69%
Γ—5
+23ft-63ft

Overall

20040

Females

7999

F45-49

7999

23M→24M

23.0 - 24.0 mi

Top 75%
Γ—6
+12ft-82ft

Overall

21780

Females

8927

F45-49

8927

24M→40K

24.0 - 24.9 mi

Top 66%
Γ—1
+6ft-20ft

Overall

19231

Females

7694

F45-49

7694

40K→25.2M

24.9 - 25.2 mi

Top 67%
Γ—1
+13ft-16ft

Overall

19479

Females

7812

F45-49

7812

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
Γ—2
+22ft-21ft

Overall

21217

Females

8679

F45-49

8679

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1368
Passed By
1414
Net Change
-75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#20289
5K β†’ 10K200200-2#20289#20291
10K β†’ 15K190187+3#20291#20288
15K β†’ 20K198120+78#20288#20210
20K β†’ HALF625+57#20210#20153
HALF β†’ 25K98168-70#20153#20223
25K β†’ 30K175200-52#20223#20275
30K β†’ 20M73109-36#20275#20311
20M β†’ 21M7692-16#20311#20327
21M β†’ 35K3649-13#20327#20340
35K β†’ 23M7454+20#20340#20320
23M β†’ 24M36113-77#20320#20397
24M β†’ 40K7726+51#20397#20346
40K β†’ 25.2M2817+11#20346#20335
25.2M β†’ FINISH4574-29#20335#20364
TOTALS13681414-75
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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