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BOSTON MARATHON 2025

Regan Herald

Bib: 27851•F

DC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:47/mi
30:24
↑ 97↓ 3451.5%
10K· 6.21 mi
9:50/mi
1:00:58
↑ 79↓ 1380.4%
15K· 9.32 mi
10:01/mi
1:32:04
↑ 67↓ 78
20K· 12.43 mi
10:07/mi
2:03:30
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
2:10:00
↑ 19↓ 370.5%
25K· 15.53 mi
10:41/mi
2:35:54
↑ 66↓ 880.2%
30K· 18.64 mi
11:16/mi
3:10:55
↑ 181↓ 1480.2%
20M
12:22/mi
3:27:43
↑ 64↓ 500.2%
21M
12:39/mi
3:40:22
↑ 106↓ 241.6%
35K· 21.75 mi
10:40/mi
3:48:21
↑ 17↓ 861.7%
23M
11:27/mi
4:02:41
↑ 23↓ 630.6%
24M
10:16/mi
4:12:57
↓ 821.3%
40K· 24.85 mi
10:33/mi
4:21:58
↓ 200.3%
25.2M
11:21/mi
4:25:53
↑ 13↓ 160.2%
Finish· 26.22 mi
9:21/mi
4:35:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:00
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:25:25
Pace11:06 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2230:249:4730:24
9:47
-
10K
6.21 mi12:17:561:00:589:4930:34
9:50
+0:03
15K
9.32 mi12:49:021:32:049:5331:06
10:01
+0:11
20K
12.43 mi13:20:282:03:309:5631:26
10:07
+0:06
Half
13.11 mi13:26:582:10:009:556:30
9:32
-0:35
25K
15.53 mi13:52:522:35:5410:0225:54
10:41
+1:09
30K
18.64 mi14:27:533:10:5510:1535:01
11:16
+0:35
20M
20.00 mi14:44:413:27:4310:2316:48
12:22
+1:06
21M
21.00 mi14:57:203:40:2210:3012:39
12:39
+0:17
35K
21.75 mi15:05:193:48:2110:307:59
10:40
-1:59
23M
23.00 mi15:19:394:02:4110:3314:20
11:27
+0:47
24M
24.00 mi15:29:554:12:5710:3210:16
10:16
-1:11
40K
24.85 mi15:38:564:21:5810:329:01
10:33
+0:17
25.2M
25.20 mi15:42:514:25:5310:333:55
11:21
+0:48
Finish
26.22 mi15:52:234:35:2510:319:32
9:21
-2:00

Checkpoints & Pacing

📈Pace 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

9:21 /mi

Average Pace

10:31 /mi

Slowest Pace

12:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:06

39% of race

Time at Steady Pace

1:24:36

31% of race

Time at Slower Pace

1:22:43

30% of race

Average Pace: 10:30 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:47:2230:249:4730:24
9:47
#25063
10K
6.21 mi12:17:561:00:589:4930:34
9:50
#25004
15K
9.32 mi12:49:021:32:049:5331:06
10:01
#24994
20K
12.43 mi13:20:282:03:309:5631:26
10:07
#24852
Half
13.11 mi13:26:582:10:009:556:30
9:32
#24797
25K
15.53 mi13:52:522:35:5410:0225:54
10:41
#24792
30K
18.64 mi14:27:533:10:5510:1535:01
11:16
#24738
20M
20.00 mi14:44:413:27:4310:2316:48
12:22
#24859
21M
21.00 mi14:57:203:40:2210:3012:39
12:39
#24844
35K
21.75 mi15:05:193:48:2110:307:59
10:40
#24814
23M
23.00 mi15:19:394:02:4110:3314:20
11:27
#24795
24M
24.00 mi15:29:554:12:5710:3210:16
10:16
#24702
40K
24.85 mi15:38:564:21:5810:329:01
10:33
#24625
25.2M
25.20 mi15:42:514:25:5310:333:55
11:21
#24585
Finish
26.22 mi15:52:234:35:2510:319:32
9:21
#24490
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25063102411024125013(Top 88%)10218(Top 84%)10218(Top 595%)
10K6.21 mi3.10 mi25004+5910232+910232+924963(Top 88%)10216(Top 84%)10216(Top 595%)
15K9.32 mi3.11 mi24994+1010216+1610216+1625013(Top 88%)10218(Top 84%)10218(Top 595%)
20K12.43 mi3.11 mi24852+14210150+6610150+6624470(Top 86%)9970(Top 82%)9970(Top 580%)
Half13.11 mi0.68 mi24797+5510120+3010120+3023670(Top 83%)9531(Top 78%)9531(Top 555%)
25K15.53 mi2.42 mi24792+510142-2210142-2224689(Top 87%)10123(Top 83%)10123(Top 589%)
30K18.64 mi3.11 mi24738+5410138+410138+424501(Top 86%)10132(Top 83%)10132(Top 590%)
20M20.00 mi1.36 mi24859-12110219-8110219-8125760(Top 91%)10882(Top 89%)10882(Top 633%)
21M21.00 mi1.00 mi24844+1510222-310222-324602(Top 87%)10351(Top 85%)10351(Top 603%)
35K21.75 mi0.75 mi24814+3010212+1010212+1023546(Top 83%)9828(Top 80%)9828(Top 572%)
23M23.00 mi1.25 mi24795+1910216-410216-424172(Top 85%)10188(Top 83%)10188(Top 593%)
24M24.00 mi1.00 mi24702+9310188+2810188+2822155(Top 78%)9222(Top 75%)9222(Top 537%)
40K24.85 mi0.85 mi24625+7710154+3410154+3422066(Top 78%)9238(Top 76%)9238(Top 538%)
25.2M25.20 mi0.35 mi24585+4010131+2310131+2321728(Top 76%)9034(Top 74%)9034(Top 526%)
Finish26.22 mi1.02 mi24490+9510097+3410097+3420640(Top 73%)8472(Top 69%)8472(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25013

Females

10218

F40-44

10218

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

24963

Females

10216

F40-44

10216

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25013

Females

10218

F40-44

10218

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24470

Females

9970

F40-44

9970

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23670

Females

9531

F40-44

9531

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24689

Females

10123

F40-44

10123

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24501

Females

10132

F40-44

10132

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25760

Females

10882

F40-44

10882

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24602

Females

10351

F40-44

10351

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23546

Females

9828

F40-44

9828

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24172

Females

10188

F40-44

10188

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22155

Females

9222

F40-44

9222

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22066

Females

9238

F40-44

9238

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21728

Females

9034

F40-44

9034

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20640

Females

8472

F40-44

8472

Passing Analysis

Category:
Athletes Passed
1406
Passed By
833
Net Change
+573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25063
5K → 10K214155+59#25063#25004
10K → 15K129119+10#25004#24994
15K → 20K21472+142#24994#24852
20K → Half594+55#24852#24797
Half → 25K107102+5#24797#24792
25K → 30K160106+54#24792#24738
30K → 20M32153-121#24738#24859
20M → 21M6449+15#24859#24844
21M → 35K4616+30#24844#24814
35K → 23M5637+19#24814#24795
23M → 24M1018+93#24795#24702
24M → 40K847+77#24702#24625
40K → 25.2M422+40#24625#24585
25.2M → Finish983+95#24585#24490
TOTALS1406833+573
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing