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BOSTON MARATHON 2025

Sara Montejo Celorio

Bib: 18413•F

TX

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0:00
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
7:50/mi
24:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:13:00
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:37:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:43:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:03:46
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
2:36:13
↑ 181↓ 1480.2%
20M
9:06/mi
2:48:35
↑ 64↓ 500.2%
21M
11:59/mi
3:00:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:07:14
↑ 17↓ 861.7%
23M
10:21/mi
3:20:12
↑ 23↓ 630.6%
24M
9:06/mi
3:29:18
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:37:13
↓ 200.3%
25.2M
10:09/mi
3:40:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
3:51:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:28
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time2:07:59
Pace9:46 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3724:217:5024:21
7:50
-
10K
6.21 mi11:40:0048:447:5124:23
7:51
+0:01
15K
9.32 mi12:04:161:13:007:5024:16
7:49
-0:02
20K
12.43 mi12:29:111:37:557:5324:55
8:01
+0:12
Half
13.11 mi12:34:441:43:287:545:33
8:08
+0:07
25K
15.53 mi12:55:022:03:467:5820:18
8:22
+0:14
30K
18.64 mi13:27:292:36:138:2332:27
10:27
+2:05
20M
20.00 mi13:39:512:48:358:2612:22
9:06
-1:21
21M
21.00 mi13:51:503:00:348:3611:59
11:59
+2:53
35K
21.75 mi13:58:303:07:148:376:40
8:55
-3:04
23M
23.00 mi14:11:283:20:128:4212:58
10:21
+1:26
24M
24.00 mi14:20:343:29:188:439:06
9:06
-1:15
40K
24.85 mi14:28:293:37:138:447:55
9:16
+0:10
25.2M
25.20 mi14:31:593:40:438:463:30
10:09
+0:53
Finish
26.22 mi14:42:433:51:278:5010:44
10:32
+0:23

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

7:49 /mi

Average Pace

8:50 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:46

53% of race

Time at Steady Pace

36:03

16% of race

Time at Slower Pace

1:11:38

31% of race

Average Pace: 8:50 /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 mi11:15:3724:217:5024:21
7:50
#15171
10K
6.21 mi11:40:0048:447:5124:23
7:51
#15188
15K
9.32 mi12:04:161:13:007:5024:16
7:49
#14914
20K
12.43 mi12:29:111:37:557:5324:55
8:01
#14910
Half
13.11 mi12:34:441:43:287:545:33
8:08
#15030
25K
15.53 mi12:55:022:03:467:5820:18
8:22
#15311
30K
18.64 mi13:27:292:36:138:2332:27
10:27
#17339
20M
20.00 mi13:39:512:48:358:2612:22
9:06
#17329
21M
21.00 mi13:51:503:00:348:3611:59
11:59
#18010
35K
21.75 mi13:58:303:07:148:376:40
8:55
#17991
23M
23.00 mi14:11:283:20:128:4212:58
10:21
#18312
24M
24.00 mi14:20:343:29:188:439:06
9:06
#18271
40K
24.85 mi14:28:293:37:138:447:55
9:16
#18249
25.2M
25.20 mi14:31:593:40:438:463:30
10:09
#18256
Finish
26.22 mi14:42:433:51:278:5010:44
10:32
#18630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi151714641464114492(Top 51%)4312(Top 35%)4312(Top 79%)
10K6.21 mi3.10 mi15188-174656-154656-1515266(Top 54%)4703(Top 38%)4703(Top 86%)
15K9.32 mi3.11 mi14914+2744507+1494507+14914492(Top 51%)4312(Top 35%)4312(Top 79%)
20K12.43 mi3.11 mi14910+44539-324539-3215103(Top 53%)4701(Top 38%)4701(Top 86%)
Half13.11 mi0.68 mi15030-1204603-644603-6416943(Top 60%)5746(Top 47%)5746(Top 105%)
25K15.53 mi2.42 mi15311-2814781-1784781-17816407(Top 58%)5541(Top 45%)5541(Top 101%)
30K18.64 mi3.11 mi17339-20286022-12416022-124122809(Top 80%)9218(Top 75%)9218(Top 169%)
20M20.00 mi1.36 mi17329+106043-216043-2117337(Top 61%)6334(Top 52%)6334(Top 116%)
21M21.00 mi1.00 mi18010-6816438-3956438-39523568(Top 83%)9792(Top 80%)9792(Top 179%)
35K21.75 mi0.75 mi17991+196443-56443-517836(Top 63%)6812(Top 56%)6812(Top 125%)
23M23.00 mi1.25 mi18312-3216660-2176660-21721597(Top 76%)8871(Top 73%)8871(Top 162%)
24M24.00 mi1.00 mi18271+416667-76667-717906(Top 63%)6983(Top 57%)6983(Top 128%)
40K24.85 mi0.85 mi18249+226683-166683-1617673(Top 62%)6960(Top 57%)6960(Top 127%)
25.2M25.20 mi0.35 mi18256-76698-156698-1517735(Top 62%)6987(Top 57%)6987(Top 128%)
Finish26.22 mi1.02 mi18630-3746918-2206918-22024354(Top 86%)10331(Top 84%)10331(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14492

Females

4312

F18-39

4312

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15266

Females

4703

F18-39

4703

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14492

Females

4312

F18-39

4312

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15103

Females

4701

F18-39

4701

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16943

Females

5746

F18-39

5746

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16407

Females

5541

F18-39

5541

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22809

Females

9218

F18-39

9218

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17337

Females

6334

F18-39

6334

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23568

Females

9792

F18-39

9792

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17836

Females

6812

F18-39

6812

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21597

Females

8871

F18-39

8871

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17906

Females

6983

F18-39

6983

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17673

Females

6960

F18-39

6960

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17735

Females

6987

F18-39

6987

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24354

Females

10331

F18-39

10331

Passing Analysis

Category:
Athletes Passed
1414
Passed By
4873
Net Change
-3459
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15171
5K → 10K279296-17#15171#15188
10K → 15K35985+274#15188#14914
15K → 20K215211+4#14914#14910
20K → Half12132-120#14910#15030
Half → 25K100381-281#15030#15311
25K → 30K152043-2028#15311#17339
30K → 20M114104+10#17339#17329
20M → 21M14695-681#17329#18010
21M → 35K6546+19#18010#17991
35K → 23M40361-321#17991#18312
23M → 24M9655+41#18312#18271
24M → 40K7149+22#18271#18249
40K → 25.2M2532-7#18249#18256
25.2M → Finish9383-374#18256#18630
TOTALS14144873-3459
📊

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