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BOSTON MARATHON 2025

Enkhchimeg Ledell

NJ

Bib: 21581 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 46%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:58/mi
27:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:31/mi
54:19
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:14/mi
1:19:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:17/mi
1:45:39
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:51:15
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:19/mi
2:11:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:55/mi
2:39:07
↑ 181↓ 1480.2%
138 ft elev
20M
9:02/mi
2:51:24
↑ 64↓ 500.2%
148 ft elev
21M
10:41/mi
3:02:05
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:05/mi
3:08:53
↑ 17↓ 861.7%
156 ft elev
23M
9:06/mi
3:20:17
↑ 23↓ 630.6%
116 ft elev
24M
9:03/mi
3:29:20
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:14/mi
3:37:14
↓ 200.3%
20 ft elev
25.2M
10:15/mi
3:40:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:41/mi
3:49:37
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:15
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:58:22
Pace9:02 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5227:528:5827:52
8:58
-
10K
6.21 mi11:49:1954:198:4426:27
8:31
-0:27
15K
9.32 mi12:14:541:19:548:3425:35
8:14
-0:17
20K
12.43 mi12:40:391:45:398:3025:45
8:17
+0:03
Half
13.11 mi12:46:151:51:158:295:36
8:12
-0:05
25K
15.53 mi13:06:252:11:258:2820:10
8:19
+0:07
30K
18.64 mi13:34:072:39:078:3227:42
8:55
+0:36
20M
20.00 mi13:46:242:51:248:3412:17
9:02
+0:07
21M
21.00 mi13:57:053:02:058:4010:41
10:41
+1:39
35K
21.75 mi14:03:533:08:538:416:48
9:05
-1:36
23M
23.00 mi14:15:173:20:178:4211:24
9:06
+0:01
24M
24.00 mi14:24:203:29:208:439:03
9:03
-0:03
40K
24.85 mi14:32:143:37:148:447:54
9:14
+0:11
25.2M
25.20 mi14:35:463:40:468:463:32
10:15
+1:01
Finish
26.22 mi14:44:373:49:378:468:51
8:41
-1:34

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

8:12 /mi

Average Pace

8:46 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:33

45% of race

Time at Steady Pace

1:51:51

49% of race

Time at Slower Pace

14:13

6% of race

Average Pace: 8:45 /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 mi11:22:5227:528:5827:52
8:58
#22295
10K
6.21 mi11:49:1954:198:4426:27
8:31
#21116
15K
9.32 mi12:14:541:19:548:3425:35
8:14
#20094
20K
12.43 mi12:40:391:45:398:3025:45
8:17
#19276
Half
13.11 mi12:46:151:51:158:295:36
8:12
#19174
25K
15.53 mi13:06:252:11:258:2820:10
8:19
#18659
30K
18.64 mi13:34:072:39:078:3227:42
8:55
#18360
20M
20.00 mi13:46:242:51:248:3412:17
9:02
#18231
21M
21.00 mi13:57:053:02:058:4010:41
10:41
#18429
35K
21.75 mi14:03:533:08:538:416:48
9:05
#18455
23M
23.00 mi14:15:173:20:178:4211:24
9:06
#18329
24M
24.00 mi14:24:203:29:208:439:03
9:03
#18276
40K
24.85 mi14:32:143:37:148:447:54
9:14
#18253
25.2M
25.20 mi14:35:463:40:468:463:32
10:15
#18264
Finish
26.22 mi14:44:373:49:378:468:51
8:41
#18239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi222958790879017622(Top 62%)6094(Top 50%)6094(Top 336%)
10K6.21 mi3.10 mi21116+11798112+6788112+67819887(Top 70%)7405(Top 61%)7405(Top 408%)
15K9.32 mi3.11 mi20094+10227523+5897523+58917622(Top 62%)6094(Top 50%)6094(Top 336%)
20K12.43 mi3.11 mi19276+8187063+4607063+46016881(Top 59%)5713(Top 47%)5713(Top 315%)
Half13.11 mi0.68 mi19174+1027005+587005+5817398(Top 61%)5997(Top 49%)5997(Top 331%)
25K15.53 mi2.42 mi18659+5156726+2796726+27916049(Top 57%)5344(Top 44%)5344(Top 295%)
30K18.64 mi3.11 mi18360+2996582+1446582+14417252(Top 61%)6164(Top 50%)6164(Top 340%)
20M20.00 mi1.36 mi18231+1296548+346548+3417033(Top 60%)6155(Top 50%)6155(Top 339%)
21M21.00 mi1.00 mi18429-1986687-1396687-13920564(Top 72%)8220(Top 67%)8220(Top 453%)
35K21.75 mi0.75 mi18455-266710-236710-2318679(Top 66%)7287(Top 60%)7287(Top 402%)
23M23.00 mi1.25 mi18329+1266667+436667+4316864(Top 59%)6371(Top 52%)6371(Top 351%)
24M24.00 mi1.00 mi18276+536670-36670-317630(Top 62%)6835(Top 56%)6835(Top 377%)
40K24.85 mi0.85 mi18253+236685-156685-1517560(Top 62%)6893(Top 56%)6893(Top 380%)
25.2M25.20 mi0.35 mi18264-116703-186703-1818130(Top 64%)7205(Top 59%)7205(Top 397%)
Finish26.22 mi1.02 mi18239+256707-46707-417417(Top 61%)6773(Top 55%)6773(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17622

Females

6094

F45-49

6094

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19887

Females

7405

F45-49

7405

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17622

Females

6094

F45-49

6094

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16881

Females

5713

F45-49

5713

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17398

Females

5997

F45-49

5997

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16049

Females

5344

F45-49

5344

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17252

Females

6164

F45-49

6164

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

17033

Females

6155

F45-49

6155

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

20564

Females

8220

F45-49

8220

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18679

Females

7287

F45-49

7287

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16864

Females

6371

F45-49

6371

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17630

Females

6835

F45-49

6835

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17560

Females

6893

F45-49

6893

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18130

Females

7205

F45-49

7205

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17417

Females

6773

F45-49

6773

Passing Analysis

Category:
Athletes Passed
4765
Passed By
709
Net Change
+4056
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22295
5K → 10K119819+1179#22295#21116
10K → 15K10286+1022#21116#20094
15K → 20K8213+818#20094#19276
20K → Half1053+102#19276#19174
Half → 25K5161+515#19174#18659
25K → 30K39192+299#18659#18360
30K → 20M18051+129#18360#18231
20M → 21M45243-198#18231#18429
21M → 35K4773-26#18429#18455
35K → 23M16438+126#18455#18329
23M → 24M10047+53#18329#18276
24M → 40K7148+23#18276#18253
40K → 25.2M2637-11#18253#18264
25.2M → Finish7348+25#18264#18239
TOTALS4765709+4056
📊

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