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BOSTON MARATHON 2025

Ann Elford

Bib: 24104•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
8:24/mi
26:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
52:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:19:42
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:48:00
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
1:54:18
↑ 19↓ 370.5%
25K· 15.53 mi
10:07/mi
2:18:49
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
2:52:01
↑ 181↓ 1480.2%
20M
10:43/mi
3:06:35
↑ 64↓ 500.2%
21M
12:10/mi
3:18:45
↑ 106↓ 241.6%
35K· 21.75 mi
10:08/mi
3:26:20
↑ 17↓ 861.7%
23M
10:13/mi
3:39:07
↑ 23↓ 630.6%
24M
9:36/mi
3:48:43
↓ 821.3%
40K· 24.85 mi
9:39/mi
3:56:58
↓ 200.3%
25.2M
10:12/mi
4:00:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
4:09:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:18
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:15:35
Pace10:21 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3626:068:2426:06
8:24
-
10K
6.21 mi11:50:5852:288:2726:22
8:29
+0:05
15K
9.32 mi12:18:121:19:428:3327:14
8:46
+0:17
20K
12.43 mi12:46:301:48:008:4128:18
9:07
+0:21
Half
13.11 mi12:52:481:54:188:436:18
9:14
+0:07
25K
15.53 mi13:17:192:18:498:5624:31
10:07
+0:53
30K
18.64 mi13:50:312:52:019:1433:12
10:41
+0:34
20M
20.00 mi14:05:053:06:359:2014:34
10:43
+0:02
21M
21.00 mi14:17:153:18:459:2812:10
12:10
+1:27
35K
21.75 mi14:24:503:26:209:297:35
10:08
-2:02
23M
23.00 mi14:37:373:39:079:3212:47
10:13
+0:05
24M
24.00 mi14:47:133:48:439:329:36
9:36
-0:37
40K
24.85 mi14:55:283:56:589:328:15
9:39
+0:03
25.2M
25.20 mi14:58:594:00:299:333:31
10:12
+0:33
Finish
26.22 mi15:08:234:09:539:329:24
9:13
-0:59

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

8:24 /mi

Average Pace

9:32 /mi

Slowest Pace

12:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:00

43% of race

Time at Steady Pace

58:04

23% of race

Time at Slower Pace

1:23:49

34% of race

Average Pace: 9:32 /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 mi11:24:3626:068:2426:06
8:24
#19329
10K
6.21 mi11:50:5852:288:2726:22
8:29
#19503
15K
9.32 mi12:18:121:19:428:3327:14
8:46
#19987
20K
12.43 mi12:46:301:48:008:4128:18
9:07
#20359
Half
13.11 mi12:52:481:54:188:436:18
9:14
#20524
25K
15.53 mi13:17:192:18:498:5624:31
10:07
#21282
30K
18.64 mi13:50:312:52:019:1433:12
10:41
#21888
20M
20.00 mi14:05:053:06:359:2014:34
10:43
#21991
21M
21.00 mi14:17:153:18:459:2812:10
12:10
#22129
35K
21.75 mi14:24:503:26:209:297:35
10:08
#22131
23M
23.00 mi14:37:373:39:079:3212:47
10:13
#22050
24M
24.00 mi14:47:133:48:439:329:36
9:36
#21954
40K
24.85 mi14:55:283:56:589:328:15
9:39
#21852
25.2M
25.20 mi14:58:594:00:299:333:31
10:12
#21795
Finish
26.22 mi15:08:234:09:539:329:24
9:13
#21718
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi193297101710120862(Top 73%)7926(Top 65%)7926(Top 797%)
10K6.21 mi3.10 mi19503-1747187-867187-8619728(Top 69%)7320(Top 60%)7320(Top 736%)
15K9.32 mi3.11 mi19987-4847457-2707457-27020862(Top 73%)7926(Top 65%)7926(Top 797%)
20K12.43 mi3.11 mi20359-3727681-2247681-22421493(Top 76%)8314(Top 68%)8314(Top 836%)
Half13.11 mi0.68 mi20524-1657772-917772-9122752(Top 80%)9006(Top 74%)9006(Top 906%)
25K15.53 mi2.42 mi21282-7588203-4318203-43123535(Top 83%)9498(Top 78%)9498(Top 956%)
30K18.64 mi3.11 mi21888-6068559-3568559-35623358(Top 82%)9531(Top 78%)9531(Top 959%)
20M20.00 mi1.36 mi21991-1038631-728631-7222999(Top 81%)9418(Top 77%)9418(Top 947%)
21M21.00 mi1.00 mi22129-1388738-1078738-10723878(Top 84%)9960(Top 81%)9960(Top 1002%)
35K21.75 mi0.75 mi22131-28752-148752-1422273(Top 78%)9172(Top 75%)9172(Top 923%)
23M23.00 mi1.25 mi22050+818746+68746+621164(Top 75%)8638(Top 71%)8638(Top 869%)
24M24.00 mi1.00 mi21954+968713+338713+3320015(Top 70%)8097(Top 66%)8097(Top 815%)
40K24.85 mi0.85 mi21852+1028679+348679+3419300(Top 68%)7791(Top 64%)7791(Top 784%)
25.2M25.20 mi0.35 mi21795+578653+268653+2617971(Top 63%)7149(Top 58%)7149(Top 719%)
Finish26.22 mi1.02 mi21718+778626+278626+2720087(Top 71%)8202(Top 67%)8202(Top 825%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20862

Females

7926

F55-59

7926

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19728

Females

7320

F55-59

7320

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20862

Females

7926

F55-59

7926

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21493

Females

8314

F55-59

8314

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22752

Females

9006

F55-59

9006

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23535

Females

9498

F55-59

9498

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23358

Females

9531

F55-59

9531

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22999

Females

9418

F55-59

9418

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23878

Females

9960

F55-59

9960

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22273

Females

9172

F55-59

9172

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21164

Females

8638

F55-59

8638

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

20015

Females

8097

F55-59

8097

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19300

Females

7791

F55-59

7791

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17971

Females

7149

F55-59

7149

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20087

Females

8202

F55-59

8202

Passing Analysis

Category:
Athletes Passed
1080
Passed By
3469
Net Change
-2389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19329
5K → 10K176350-174#19329#19503
10K → 15K85569-484#19503#19987
15K → 20K83455-372#19987#20359
20K → Half8173-165#20359#20524
Half → 25K30788-758#20524#21282
25K → 30K61667-606#21282#21888
30K → 20M61164-103#21888#21991
20M → 21M47185-138#21991#22129
21M → 35K4042-2#22129#22131
35K → 23M11837+81#22131#22050
23M → 24M11216+96#22050#21954
24M → 40K1119+102#21954#21852
40K → 25.2M570+57#21852#21795
25.2M → Finish9114+77#21795#21718
TOTALS10803469-2389
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing