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BOSTON MARATHON 2025

Altantuya Dashdulam

Bib: 24120•F

VA

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
8:43/mi
27:05
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
55:11
↑ 79↓ 1380.4%
15K· 9.32 mi
9:23/mi
1:24:20
↑ 67↓ 78
20K· 12.43 mi
9:42/mi
1:54:28
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
2:00:48
↑ 19↓ 370.5%
25K· 15.53 mi
9:52/mi
2:24:43
↑ 66↓ 880.2%
30K· 18.64 mi
10:40/mi
2:57:50
↑ 181↓ 1480.2%
20M
10:53/mi
3:12:38
↑ 64↓ 500.2%
21M
12:19/mi
3:24:57
↑ 106↓ 241.6%
35K· 21.75 mi
10:48/mi
3:33:02
↑ 17↓ 861.7%
23M
11:15/mi
3:47:07
↑ 23↓ 630.6%
24M
10:49/mi
3:57:56
↓ 821.3%
40K· 24.85 mi
11:05/mi
4:07:25
↓ 200.3%
25.2M
12:37/mi
4:11:46
↑ 13↓ 160.2%
Finish· 26.22 mi
10:57/mi
4:22:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:48
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:22:08
Pace10:51 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0327:058:4327:05
8:43
-
10K
6.21 mi11:54:0955:118:5328:06
9:03
+0:20
15K
9.32 mi12:23:181:24:209:0329:09
9:23
+0:20
20K
12.43 mi12:53:261:54:289:1330:08
9:42
+0:19
Half
13.11 mi12:59:462:00:489:136:20
9:17
-0:25
25K
15.53 mi13:23:412:24:439:1923:55
9:52
+0:35
30K
18.64 mi13:56:482:57:509:3233:07
10:40
+0:48
20M
20.00 mi14:11:363:12:389:3814:48
10:53
+0:13
21M
21.00 mi14:23:553:24:579:4612:19
12:19
+1:26
35K
21.75 mi14:32:003:33:029:488:05
10:48
-1:31
23M
23.00 mi14:46:053:47:079:5214:05
11:15
+0:27
24M
24.00 mi14:56:543:57:569:5510:49
10:49
-0:26
40K
24.85 mi15:06:234:07:259:579:29
11:05
+0:16
25.2M
25.20 mi15:10:444:11:469:594:21
12:37
+1:32
Finish
26.22 mi15:21:544:22:5610:0211:10
10:57
-1:40

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

8:43 /mi

Average Pace

10:02 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:43

55% of race

Time at Steady Pace

1:41:33

39% of race

Time at Slower Pace

16:40

6% of race

Average Pace: 10:02 /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 mi11:26:0327:058:4327:05
8:43
#21095
10K
6.21 mi11:54:0955:118:5328:06
9:03
#21880
15K
9.32 mi12:23:181:24:209:0329:09
9:23
#22493
20K
12.43 mi12:53:261:54:289:1330:08
9:42
#22838
Half
13.11 mi12:59:462:00:489:136:20
9:17
#22841
25K
15.53 mi13:23:412:24:439:1923:55
9:52
#22846
30K
18.64 mi13:56:482:57:509:3233:07
10:40
#22918
20M
20.00 mi14:11:363:12:389:3814:48
10:53
#22939
21M
21.00 mi14:23:553:24:579:4612:19
12:19
#23042
35K
21.75 mi14:32:003:33:029:488:05
10:48
#23067
23M
23.00 mi14:46:053:47:079:5214:05
11:15
#23123
24M
24.00 mi14:56:543:57:569:5510:49
10:49
#23147
40K
24.85 mi15:06:234:07:259:579:29
11:05
#23135
25.2M
25.20 mi15:10:444:11:469:594:21
12:37
#23160
Finish
26.22 mi15:21:544:22:5610:0211:10
10:57
#23261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi210958133813323437(Top 83%)9339(Top 76%)9339(Top 940%)
10K6.21 mi3.10 mi21880-7858542-4098542-40922592(Top 80%)8920(Top 73%)8920(Top 897%)
15K9.32 mi3.11 mi22493-6138856-3148856-31423437(Top 83%)9339(Top 76%)9339(Top 940%)
20K12.43 mi3.11 mi22838-3459030-1749030-17423492(Top 83%)9420(Top 77%)9420(Top 948%)
Half13.11 mi0.68 mi22841-39032-29032-222943(Top 81%)9121(Top 75%)9121(Top 918%)
25K15.53 mi2.42 mi22846-59060-289060-2822939(Top 81%)9160(Top 75%)9160(Top 922%)
30K18.64 mi3.11 mi22918-729139-799139-7923302(Top 82%)9495(Top 78%)9495(Top 955%)
20M20.00 mi1.36 mi22939-219177-389177-3823380(Top 82%)9615(Top 79%)9615(Top 967%)
21M21.00 mi1.00 mi23042-1039250-739250-7324127(Top 85%)10096(Top 83%)10096(Top 1016%)
35K21.75 mi0.75 mi23067-259275-259275-2523829(Top 84%)9960(Top 81%)9960(Top 1002%)
23M23.00 mi1.25 mi23123-569335-609335-6023785(Top 84%)9997(Top 82%)9997(Top 1006%)
24M24.00 mi1.00 mi23147-249372-379372-3723605(Top 83%)9929(Top 81%)9929(Top 999%)
40K24.85 mi0.85 mi23135+129379-79379-723356(Top 82%)9878(Top 81%)9878(Top 994%)
25.2M25.20 mi0.35 mi23160-259397-189397-1824433(Top 86%)10391(Top 85%)10391(Top 1045%)
Finish26.22 mi1.02 mi23261-1019457-609457-6025295(Top 89%)10796(Top 88%)10796(Top 1086%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23437

Females

9339

F55-59

9339

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22592

Females

8920

F55-59

8920

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23437

Females

9339

F55-59

9339

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23492

Females

9420

F55-59

9420

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

22943

Females

9121

F55-59

9121

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22939

Females

9160

F55-59

9160

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23302

Females

9495

F55-59

9495

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23380

Females

9615

F55-59

9615

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24127

Females

10096

F55-59

10096

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23829

Females

9960

F55-59

9960

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23785

Females

9997

F55-59

9997

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23605

Females

9929

F55-59

9929

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23356

Females

9878

F55-59

9878

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24433

Females

10391

F55-59

10391

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25295

Females

10796

F55-59

10796

Passing Analysis

Category:
Athletes Passed
839
Passed By
3005
Net Change
-2166
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21095
5K → 10K66851-785#21095#21880
10K → 15K61674-613#21880#22493
15K → 20K87432-345#22493#22838
20K → Half2629-3#22838#22841
Half → 25K145150-5#22841#22846
25K → 30K132204-72#22846#22918
30K → 20M7192-21#22918#22939
20M → 21M44147-103#22939#23042
21M → 35K3459-25#23042#23067
35K → 23M53109-56#23067#23123
23M → 24M4872-24#23123#23147
24M → 40K5139+12#23147#23135
40K → 25.2M732-25#23135#23160
25.2M → Finish14115-101#23160#23261
TOTALS8393005-2166
📊

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