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BOSTON MARATHON 2025

Celia Sanabria

Bib: 29538•F

MA

0:00
0:00
/ mi
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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

Start
0:00:00
Race begins
5K· 3.11 mi
32:17
Rank: #26526
Start → 5K
32:17 | 10:23/mi
10K· 6.21 mi
1:04:53
Rank: #26378 (+148)
5K → 10K
32:36 | 10:30/mi
15K· 9.32 mi
1:36:39
Rank: #26034 (+344)
10K → 15K
31:46 | 10:13/mi
20K· 12.43 mi
2:08:47
Rank: #25717 (+317)
15K → 20K
32:08 | 10:21/mi
Half· 13.11 mi
2:15:35
Rank: #25673 (+44)
20K → Half
6:48 | 9:58/mi
25K· 15.53 mi
2:41:29
Rank: #25501 (+172)
Half → 25K
25:54 | 10:41/mi
30K· 18.64 mi
3:14:54
Rank: #25146 (+355)
25K → 30K
33:25 | 10:45/mi
20M
3:29:17
Rank: #25008 (+138)
30K → 20M
14:23 | 10:35/mi
21M
3:41:11
Rank: #24931 (+77)
20M → 21M
11:54 | 11:54/mi
35K· 21.75 mi
3:48:54
Rank: #24860 (+71)
21M → 35K
7:43 | 10:19/mi
23M
4:02:22
Rank: #24768 (+92)
35K → 23M
13:28 | 10:45/mi
24M
4:13:11
Rank: #24726 (+42)
23M → 24M
10:49 | 10:49/mi
40K· 24.85 mi
4:22:04
Rank: #24635 (+91)
24M → 40K
8:53 | 10:23/mi
25.2M
4:26:02
Rank: #24600 (+35)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
4:36:03
Rank: #24536 (+64)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:35
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:20:28
Pace10:43 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1032:1710:2332:17
10:23
-
10K
6.21 mi12:24:461:04:5310:2732:36
10:30
+0:07
15K
9.32 mi12:56:321:36:3910:2231:46
10:13
-0:17
20K
12.43 mi13:28:402:08:4710:2232:08
10:21
+0:08
Half
13.11 mi13:35:282:15:3510:216:48
9:58
-0:23
25K
15.53 mi14:01:222:41:2910:2425:54
10:41
+0:43
30K
18.64 mi14:34:473:14:5410:2733:25
10:45
+0:04
20M
20.00 mi14:49:103:29:1710:2814:23
10:35
-0:10
21M
21.00 mi15:01:043:41:1110:3211:54
11:54
+1:19
35K
21.75 mi15:08:473:48:5410:327:43
10:19
-1:35
23M
23.00 mi15:22:154:02:2210:3213:28
10:45
+0:26
24M
24.00 mi15:33:044:13:1110:3310:49
10:49
+0:04
40K
24.85 mi15:41:574:22:0410:338:53
10:23
-0:26
25.2M
25.20 mi15:45:554:26:0210:333:58
11:30
+1:07
Finish
26.22 mi15:55:564:36:0310:3210:01
9:50
-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

9:50 /mi

Average Pace

10:32 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:35

18% of race

Time at Steady Pace

3:20:47

73% of race

Time at Slower Pace

26:41

10% of race

Average Pace: 10:32 /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 mi11:52:1032:1710:2332:17
10:23
#26526
10K
6.21 mi12:24:461:04:5310:2732:36
10:30
#26378
15K
9.32 mi12:56:321:36:3910:2231:46
10:13
#26034
20K
12.43 mi13:28:402:08:4710:2232:08
10:21
#25717
Half
13.11 mi13:35:282:15:3510:216:48
9:58
#25673
25K
15.53 mi14:01:222:41:2910:2425:54
10:41
#25501
30K
18.64 mi14:34:473:14:5410:2733:25
10:45
#25146
20M
20.00 mi14:49:103:29:1710:2814:23
10:35
#25008
21M
21.00 mi15:01:043:41:1110:3211:54
11:54
#24931
35K
21.75 mi15:08:473:48:5410:327:43
10:19
#24860
23M
23.00 mi15:22:154:02:2210:3213:28
10:45
#24768
24M
24.00 mi15:33:044:13:1110:3310:49
10:49
#24726
40K
24.85 mi15:41:574:22:0410:338:53
10:23
#24635
25.2M
25.20 mi15:45:554:26:0210:333:58
11:30
#24600
Finish
26.22 mi15:55:564:36:0310:3210:01
9:50
#24536
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26526110551105525468(Top 90%)10490(Top 86%)10490(Top 192%)
10K6.21 mi3.10 mi26378+14810983+7210983+7226252(Top 92%)10936(Top 89%)10936(Top 200%)
15K9.32 mi3.11 mi26034+34410795+18810795+18825468(Top 90%)10490(Top 86%)10490(Top 192%)
20K12.43 mi3.11 mi25717+31710626+16910626+16924910(Top 88%)10209(Top 83%)10209(Top 187%)
Half13.11 mi0.68 mi25673+4410605+2110605+2124785(Top 87%)10152(Top 83%)10152(Top 186%)
25K15.53 mi2.42 mi25501+17210521+8410521+8424690(Top 87%)10124(Top 83%)10124(Top 185%)
30K18.64 mi3.11 mi25146+35510361+16010361+16023512(Top 83%)9614(Top 79%)9614(Top 176%)
20M20.00 mi1.36 mi25008+13810297+6410297+6422671(Top 80%)9242(Top 76%)9242(Top 169%)
21M21.00 mi1.00 mi24931+7710266+3110266+3123425(Top 82%)9732(Top 80%)9732(Top 178%)
35K21.75 mi0.75 mi24860+7110236+3010236+3022764(Top 80%)9427(Top 77%)9427(Top 172%)
23M23.00 mi1.25 mi24768+9210201+3510201+3522665(Top 80%)9430(Top 77%)9430(Top 172%)
24M24.00 mi1.00 mi24726+4210199+210199+223609(Top 83%)9933(Top 81%)9933(Top 182%)
40K24.85 mi0.85 mi24635+9110160+3910160+3921641(Top 76%)9015(Top 74%)9015(Top 165%)
25.2M25.20 mi0.35 mi24600+3510141+1910141+1922113(Top 78%)9223(Top 75%)9223(Top 169%)
Finish26.22 mi1.02 mi24536+6410118+2310118+2322411(Top 79%)9386(Top 77%)9386(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25468

Females

10490

F18-39

10490

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26252

Females

10936

F18-39

10936

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25468

Females

10490

F18-39

10490

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24910

Females

10209

F18-39

10209

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24785

Females

10152

F18-39

10152

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24690

Females

10124

F18-39

10124

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23512

Females

9614

F18-39

9614

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22671

Females

9242

F18-39

9242

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23425

Females

9732

F18-39

9732

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22764

Females

9427

F18-39

9427

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

22665

Females

9430

F18-39

9430

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23609

Females

9933

F18-39

9933

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21641

Females

9015

F18-39

9015

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22113

Females

9223

F18-39

9223

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22411

Females

9386

F18-39

9386

Passing Analysis

Category:
Athletes Passed
2223
Passed By
233
Net Change
+1990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26526
5K → 10K255107+148#26526#26378
10K → 15K35410+344#26378#26034
15K → 20K3258+317#26034#25717
20K → Half473+44#25717#25673
Half → 25K19321+172#25673#25501
25K → 30K36813+355#25501#25146
30K → 20M1435+138#25146#25008
20M → 21M9114+77#25008#24931
21M → 35K8312+71#24931#24860
35K → 23M997+92#24860#24768
23M → 24M6523+42#24768#24726
24M → 40K954+91#24726#24635
40K → 25.2M372+35#24635#24600
25.2M → Finish684+64#24600#24536
TOTALS2223233+1990
📊

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