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BOSTON MARATHON 2025

Sandra Holahan

Bib: 21941•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 30%
Division (F55-59)
#0 / 994
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:08
Rank: #17280
Start → 5K
25:08 | 8:05/mi
10K· 6.21 mi
50:34
Rank: #17550 (-270)
5K → 10K
25:26 | 8:11/mi
15K· 9.32 mi
1:15:56
Rank: #17410 (+140)
10K → 15K
25:22 | 8:10/mi
20K· 12.43 mi
1:41:32
Rank: #17154 (+256)
15K → 20K
25:36 | 8:14/mi
Half· 13.11 mi
1:47:09
Rank: #17157 (-3)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:07:12
Rank: #16885 (+272)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:33:49
Rank: #16540 (+345)
25K → 30K
26:37 | 8:34/mi
20M
2:45:46
Rank: #16428 (+112)
30K → 20M
11:57 | 8:48/mi
21M
2:55:14
Rank: #16354 (+74)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:01:29
Rank: #16262 (+92)
21M → 35K
6:15 | 8:21/mi
23M
3:12:18
Rank: #16086 (+176)
35K → 23M
10:49 | 8:38/mi
24M
3:20:37
Rank: #15961 (+125)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:27:59
Rank: #15865 (+96)
24M → 40K
7:22 | 8:37/mi
25.2M
3:31:15
Rank: #15829 (+36)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:39:36
Rank: #15770 (+59)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:09
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2525:088:0525:08
8:05
-
10K
6.21 mi11:46:5150:348:0825:26
8:11
+0:06
15K
9.32 mi12:12:131:15:568:0925:22
8:10
-0:01
20K
12.43 mi12:37:491:41:328:1025:36
8:14
+0:04
Half
13.11 mi12:43:261:47:098:105:37
8:14
0:00
25K
15.53 mi13:03:292:07:128:1120:03
8:16
+0:02
30K
18.64 mi13:30:062:33:498:1526:37
8:34
+0:18
20M
20.00 mi13:42:032:45:468:1711:57
8:48
+0:14
21M
21.00 mi13:51:312:55:148:219:28
9:28
+0:40
35K
21.75 mi13:57:463:01:298:216:15
8:21
-1:07
23M
23.00 mi14:08:353:12:188:2210:49
8:38
+0:17
24M
24.00 mi14:16:543:20:378:228:19
8:19
-0:19
40K
24.85 mi14:24:163:27:598:227:22
8:37
+0:18
25.2M
25.20 mi14:27:323:31:158:233:16
9:28
+0:51
Finish
26.22 mi14:35:533:39:368:238:21
8:12
-1:16

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

8:05 /mi

Average Pace

8:23 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:52

94% of race

Time at Steady Pace

12:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:23 /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 mi11:21:2525:088:0525:08
8:05
#17280
10K
6.21 mi11:46:5150:348:0825:26
8:11
#17550
15K
9.32 mi12:12:131:15:568:0925:22
8:10
#17410
20K
12.43 mi12:37:491:41:328:1025:36
8:14
#17154
Half
13.11 mi12:43:261:47:098:105:37
8:14
#17157
25K
15.53 mi13:03:292:07:128:1120:03
8:16
#16885
30K
18.64 mi13:30:062:33:498:1526:37
8:34
#16540
20M
20.00 mi13:42:032:45:468:1711:57
8:48
#16428
21M
21.00 mi13:51:312:55:148:219:28
9:28
#16354
35K
21.75 mi13:57:463:01:298:216:15
8:21
#16262
23M
23.00 mi14:08:353:12:188:2210:49
8:38
#16086
24M
24.00 mi14:16:543:20:378:228:19
8:19
#15961
40K
24.85 mi14:24:163:27:598:227:22
8:37
#15865
25.2M
25.20 mi14:27:323:31:158:233:16
9:28
#15829
Finish
26.22 mi14:35:533:39:368:238:21
8:12
#15770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi172805906590617174(Top 60%)5830(Top 48%)5830(Top 587%)
10K6.21 mi3.10 mi17550-2706071-1656071-16517793(Top 63%)6172(Top 50%)6172(Top 621%)
15K9.32 mi3.11 mi17410+1405959+1125959+11217174(Top 60%)5830(Top 48%)5830(Top 587%)
20K12.43 mi3.11 mi17154+2565831+1285831+12816572(Top 58%)5528(Top 45%)5528(Top 556%)
Half13.11 mi0.68 mi17157-35838-75838-717498(Top 62%)6024(Top 49%)6024(Top 606%)
25K15.53 mi2.42 mi16885+2725696+1425696+14215739(Top 55%)5153(Top 42%)5153(Top 518%)
30K18.64 mi3.11 mi16540+3455549+1475549+14715196(Top 53%)5015(Top 41%)5015(Top 505%)
20M20.00 mi1.36 mi16428+1125517+325517+3215642(Top 55%)5386(Top 44%)5386(Top 542%)
21M21.00 mi1.00 mi16354+745500+175500+1715943(Top 56%)5676(Top 46%)5676(Top 571%)
35K21.75 mi0.75 mi16262+925474+265474+2614644(Top 52%)5047(Top 41%)5047(Top 508%)
23M23.00 mi1.25 mi16086+1765405+695405+6914205(Top 50%)4908(Top 40%)4908(Top 494%)
24M24.00 mi1.00 mi15961+1255358+475358+4713406(Top 47%)4527(Top 37%)4527(Top 455%)
40K24.85 mi0.85 mi15865+965324+345324+3414184(Top 50%)5064(Top 41%)5064(Top 509%)
25.2M25.20 mi0.35 mi15829+365319+55319+514497(Top 51%)5286(Top 43%)5286(Top 532%)
Finish26.22 mi1.02 mi15770+595312+75312+714257(Top 50%)5081(Top 42%)5081(Top 511%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17174

Females

5830

F55-59

5830

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17793

Females

6172

F55-59

6172

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17174

Females

5830

F55-59

5830

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16572

Females

5528

F55-59

5528

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17498

Females

6024

F55-59

6024

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15739

Females

5153

F55-59

5153

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15196

Females

5015

F55-59

5015

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15642

Females

5386

F55-59

5386

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15943

Females

5676

F55-59

5676

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14644

Females

5047

F55-59

5047

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14205

Females

4908

F55-59

4908

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13406

Females

4527

F55-59

4527

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14184

Females

5064

F55-59

5064

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14497

Females

5286

F55-59

5286

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14257

Females

5081

F55-59

5081

Passing Analysis

Category:
Athletes Passed
2553
Passed By
1043
Net Change
+1510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17280
5K → 10K187457-270#17280#17550
10K → 15K285145+140#17550#17410
15K → 20K31256+256#17410#17154
20K → Half2831-3#17154#17157
Half → 25K30230+272#17157#16885
25K → 30K40257+345#16885#16540
30K → 20M17462+112#16540#16428
20M → 21M14470+74#16428#16354
21M → 35K10614+92#16354#16262
35K → 23M19923+176#16262#16086
23M → 24M14419+125#16086#15961
24M → 40K12024+96#15961#15865
40K → 25.2M4812+36#15865#15829
25.2M → Finish10243+59#15829#15770
TOTALS25531043+1510
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing