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BOSTON MARATHON 2025

Sara Espinosa

Bib: 14200•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:48
Rank: #16459
Start → 5K
7:59/mi
24:48 split
10K· 6.21 mi
49:31
Rank: #16256 (+203)
5K → 10K
7:57/mi
24:43 split
15K· 9.32 mi
1:15:16
Rank: #16899 (-643)
10K → 15K
8:17/mi
25:45 split
20K· 12.43 mi
1:40:15
Rank: #16433 (+466)
15K → 20K
8:02/mi
24:59 split
Half· 13.11 mi
1:45:36
Rank: #16347 (+86)
20K → Half
7:50/mi
5:21 split
25K· 15.53 mi
2:06:18
Rank: #16514 (-167)
Half → 25K
8:32/mi
20:42 split
30K· 18.64 mi
2:32:29
Rank: #16086 (+428)
25K → 30K
8:26/mi
26:11 split
20M
2:44:23
Rank: #15997 (+89)
30K → 20M
8:45/mi
11:54 split
21M
2:54:06
Rank: #16018 (-21)
20M → 21M
9:43/mi
9:43 split
35K· 21.75 mi
3:00:31
Rank: #15982 (+36)
21M → 35K
8:35/mi
6:25 split
23M
3:11:49
Rank: #15953 (+29)
35K → 23M
9:02/mi
11:18 split
24M
3:20:40
Rank: #15976 (-23)
23M → 24M
8:51/mi
8:51 split
40K· 24.85 mi
3:28:26
Rank: #15983 (-7)
24M → 40K
9:05/mi
7:46 split
25.2M
3:31:47
Rank: #15981 (+2)
40K → 25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:40:20
Rank: #15954 (+27)
25.2M → Finish
8:23/mi
8:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:54:44
Pace8:45 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3124:487:5924:48
7:59
-
10K
6.21 mi11:20:1449:317:5824:43
7:57
-0:02
15K
9.32 mi11:45:591:15:168:0525:45
8:17
+0:20
20K
12.43 mi12:10:581:40:158:0424:59
8:02
-0:15
Half
13.11 mi12:16:191:45:368:035:21
7:50
-0:12
25K
15.53 mi12:37:012:06:188:0820:42
8:32
+0:42
30K
18.64 mi13:03:122:32:298:1126:11
8:26
-0:06
20M
20.00 mi13:15:062:44:238:1311:54
8:45
+0:19
21M
21.00 mi13:24:492:54:068:179:43
9:43
+0:58
35K
21.75 mi13:31:143:00:318:186:25
8:35
-1:08
23M
23.00 mi13:42:323:11:498:2011:18
9:02
+0:27
24M
24.00 mi13:51:233:20:408:228:51
8:51
-0:11
40K
24.85 mi13:59:093:28:268:237:46
9:05
+0:14
25.2M
25.20 mi14:02:303:31:478:243:21
9:43
+0:38
Finish
26.22 mi14:11:033:40:208:258:33
8:23
-1:20

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

7:50 /mi

Average Pace

8:25 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:51

36% of race

Time at Steady Pace

1:39:30

45% of race

Time at Slower Pace

40:59

19% of race

Average Pace: 8:24 /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 mi10:55:3124:487:5924:48
7:59
#16459
10K
6.21 mi11:20:1449:317:5824:43
7:57
#16256
15K
9.32 mi11:45:591:15:168:0525:45
8:17
#16899
20K
12.43 mi12:10:581:40:158:0424:59
8:02
#16433
Half
13.11 mi12:16:191:45:368:035:21
7:50
#16347
25K
15.53 mi12:37:012:06:188:0820:42
8:32
#16514
30K
18.64 mi13:03:122:32:298:1126:11
8:26
#16086
20M
20.00 mi13:15:062:44:238:1311:54
8:45
#15997
21M
21.00 mi13:24:492:54:068:179:43
9:43
#16018
35K
21.75 mi13:31:143:00:318:186:25
8:35
#15982
23M
23.00 mi13:42:323:11:498:2011:18
9:02
#15953
24M
24.00 mi13:51:233:20:408:228:51
8:51
#15976
40K
24.85 mi13:59:093:28:268:237:46
9:05
#15983
25.2M
25.20 mi14:02:303:31:478:243:21
9:43
#15981
Finish
26.22 mi14:11:033:40:208:258:33
8:23
#15954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi164595423542317967(Top 63%)6294(Top 51%)6294(Top 366%)
10K6.21 mi3.10 mi16256+2035301+1225301+12216123(Top 57%)5194(Top 42%)5194(Top 302%)
15K9.32 mi3.11 mi16899-6435663-3625663-36217967(Top 63%)6294(Top 51%)6294(Top 366%)
20K12.43 mi3.11 mi16433+4665394+2695394+26915233(Top 54%)4772(Top 39%)4772(Top 278%)
Half13.11 mi0.68 mi16347+865352+425352+4214699(Top 52%)4466(Top 37%)4466(Top 260%)
25K15.53 mi2.42 mi16514-1675466-1145466-11417408(Top 61%)6083(Top 50%)6083(Top 354%)
30K18.64 mi3.11 mi16086+4285276+1905276+19014327(Top 50%)4549(Top 37%)4549(Top 265%)
20M20.00 mi1.36 mi15997+895267+95267+915436(Top 54%)5286(Top 43%)5286(Top 308%)
21M21.00 mi1.00 mi16018-215311-445311-4417120(Top 60%)6318(Top 52%)6318(Top 368%)
35K21.75 mi0.75 mi15982+365313-25313-215955(Top 56%)5746(Top 47%)5746(Top 334%)
23M23.00 mi1.25 mi15953+295345-325345-3216420(Top 58%)6125(Top 50%)6125(Top 357%)
24M24.00 mi1.00 mi15976-235368-235368-2316595(Top 58%)6257(Top 51%)6257(Top 364%)
40K24.85 mi0.85 mi15983-75394-265394-2616782(Top 59%)6462(Top 53%)6462(Top 376%)
25.2M25.20 mi0.35 mi15981+25409-155409-1515729(Top 55%)5940(Top 49%)5940(Top 346%)
Finish26.22 mi1.02 mi15954+275405+45405+415538(Top 55%)5778(Top 47%)5778(Top 336%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17967

Females

6294

F40-44

6294

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16123

Females

5194

F40-44

5194

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17967

Females

6294

F40-44

6294

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15233

Females

4772

F40-44

4772

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14699

Females

4466

F40-44

4466

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17408

Females

6083

F40-44

6083

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14327

Females

4549

F40-44

4549

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15436

Females

5286

F40-44

5286

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17120

Females

6318

F40-44

6318

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15955

Females

5746

F40-44

5746

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16420

Females

6125

F40-44

6125

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16595

Females

6257

F40-44

6257

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16782

Females

6462

F40-44

6462

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15729

Females

5940

F40-44

5940

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15538

Females

5778

F40-44

5778

Passing Analysis

Category:
Athletes Passed
2348
Passed By
1843
Net Change
+505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16459
5K → 10K395192+203#16459#16256
10K → 15K68711-643#16256#16899
15K → 20K50842+466#16899#16433
20K → Half915+86#16433#16347
Half → 25K101268-167#16347#16514
25K → 30K47446+428#16514#16086
30K → 20M15970+89#16086#15997
20M → 21M101122-21#15997#16018
21M → 35K8246+36#16018#15982
35K → 23M12495+29#15982#15953
23M → 24M5982-23#15953#15976
24M → 40K7380-7#15976#15983
40K → 25.2M3533+2#15983#15981
25.2M → Finish7851+27#15981#15954
TOTALS23481843+505
📊

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