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BOSTON MARATHON 2025

Makaylee Esplin

Bib: 14920•F

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #5282
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:11
Rank: #4732 (+550)
5K → 10K
20:26 | 6:35/mi
15K· 9.32 mi
1:01:34
Rank: #4442 (+290)
10K → 15K
20:23 | 6:34/mi
20K· 12.43 mi
1:22:10
Rank: #4280 (+162)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:26:40
Rank: #4264 (+16)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:12
Rank: #4313 (-49)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:05:58
Rank: #4813 (-500)
25K → 30K
22:46 | 7:20/mi
20M
2:16:17
Rank: #5052 (-239)
30K → 20M
10:19 | 7:36/mi
21M
2:24:19
Rank: #5215 (-163)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:29:40
Rank: #5248 (-33)
21M → 35K
5:21 | 7:09/mi
23M
2:39:25
Rank: #5393 (-145)
35K → 23M
9:45 | 7:47/mi
24M
2:47:34
Rank: #5582 (-189)
23M → 24M
8:09 | 8:09/mi
40K· 24.85 mi
2:55:07
Rank: #5866 (-284)
24M → 40K
7:33 | 8:50/mi
25.2M
2:58:26
Rank: #5956 (-90)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:07:05
Rank: #6249 (-293)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:40
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:40:25
Pace7:40 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2920:456:4120:45
6:41
-
10K
6.21 mi11:11:5541:116:3820:26
6:35
-0:06
15K
9.32 mi11:32:181:01:346:3620:23
6:34
-0:01
20K
12.43 mi11:52:541:22:106:3720:36
6:38
+0:04
Half
13.11 mi11:57:241:26:406:374:30
6:36
-0:02
25K
15.53 mi12:13:561:43:126:3916:32
6:49
+0:13
30K
18.64 mi12:36:422:05:586:4522:46
7:20
+0:31
20M
20.00 mi12:47:012:16:176:4910:19
7:36
+0:16
21M
21.00 mi12:55:032:24:196:528:02
8:02
+0:26
35K
21.75 mi13:00:242:29:406:535:21
7:09
-0:53
23M
23.00 mi13:10:092:39:256:569:45
7:47
+0:38
24M
24.00 mi13:18:182:47:346:598:09
8:09
+0:22
40K
24.85 mi13:25:512:55:077:037:33
8:50
+0:41
25.2M
25.20 mi13:29:102:58:267:053:19
9:37
+0:47
Finish
26.22 mi13:37:493:07:057:088:39
8:29
-1:08

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

6:34 /mi

Average Pace

7:08 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:12

55% of race

Time at Steady Pace

48:11

26% of race

Time at Slower Pace

35:42

19% of race

Average Pace: 7:08 /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 mi10:51:2920:456:4120:45
6:41
#5282
10K
6.21 mi11:11:5541:116:3820:26
6:35
#4732
15K
9.32 mi11:32:181:01:346:3620:23
6:34
#4442
20K
12.43 mi11:52:541:22:106:3720:36
6:38
#4280
Half
13.11 mi11:57:241:26:406:374:30
6:36
#4264
25K
15.53 mi12:13:561:43:126:3916:32
6:49
#4313
30K
18.64 mi12:36:422:05:586:4522:46
7:20
#4813
20M
20.00 mi12:47:012:16:176:4910:19
7:36
#5052
21M
21.00 mi12:55:032:24:196:528:02
8:02
#5215
35K
21.75 mi13:00:242:29:406:535:21
7:09
#5248
23M
23.00 mi13:10:092:39:256:569:45
7:47
#5393
24M
24.00 mi13:18:182:47:346:598:09
8:09
#5582
40K
24.85 mi13:25:512:55:077:037:33
8:50
#5866
25.2M
25.20 mi13:29:102:58:267:053:19
9:37
#5956
Finish
26.22 mi13:37:493:07:057:088:39
8:29
#6249
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi52823593593969(Top 14%)222(Top 2%)222(Top 4%)
10K6.21 mi3.10 mi4732+550294+65294+654295(Top 15%)253(Top 2%)253(Top 5%)
15K9.32 mi3.11 mi4442+290258+36258+363969(Top 14%)222(Top 2%)222(Top 4%)
20K12.43 mi3.11 mi4280+162248+10248+103914(Top 14%)219(Top 2%)219(Top 4%)
Half13.11 mi0.68 mi4264+162482484474(Top 16%)293(Top 2%)293(Top 5%)
25K15.53 mi2.42 mi4313-49260-12260-125044(Top 18%)409(Top 3%)409(Top 7%)
30K18.64 mi3.11 mi4813-500350-90350-906623(Top 23%)880(Top 7%)880(Top 16%)
20M20.00 mi1.36 mi5052-239389-39389-397633(Top 27%)1379(Top 11%)1379(Top 25%)
21M21.00 mi1.00 mi5215-163422-33422-337538(Top 27%)1518(Top 12%)1518(Top 28%)
35K21.75 mi0.75 mi5248-33431-9431-96316(Top 22%)1024(Top 8%)1024(Top 19%)
23M23.00 mi1.25 mi5393-145470-39470-398502(Top 30%)2033(Top 17%)2033(Top 37%)
24M24.00 mi1.00 mi5582-189529-59529-5912242(Top 43%)3912(Top 32%)3912(Top 72%)
40K24.85 mi0.85 mi5866-284608-79608-7915356(Top 54%)5713(Top 47%)5713(Top 104%)
25.2M25.20 mi0.35 mi5956-90638-30638-3015179(Top 53%)5620(Top 46%)5620(Top 103%)
Finish26.22 mi1.02 mi6249-293745-107745-10716149(Top 57%)6093(Top 50%)6093(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3969

Females

222

F18-39

222

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4295

Females

253

F18-39

253

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3969

Females

222

F18-39

222

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3914

Females

219

F18-39

219

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4474

Females

293

F18-39

293

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5044

Females

409

F18-39

409

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6623

Females

880

F18-39

880

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7633

Females

1379

F18-39

1379

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7538

Females

1518

F18-39

1518

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6316

Females

1024

F18-39

1024

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8502

Females

2033

F18-39

2033

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12242

Females

3912

F18-39

3912

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15356

Females

5713

F18-39

5713

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15179

Females

5620

F18-39

5620

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16149

Females

6093

F18-39

6093

Passing Analysis

Category:
Athletes Passed
1431
Passed By
2398
Net Change
-967
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5282
5K → 10K57727+550#5282#4732
10K → 15K30717+290#4732#4442
15K → 20K19129+162#4442#4280
20K → Half3216+16#4280#4264
Half → 25K71120-49#4264#4313
25K → 30K49549-500#4313#4813
30K → 20M28267-239#4813#5052
20M → 21M45208-163#5052#5215
21M → 35K3568-33#5215#5248
35K → 23M46191-145#5248#5393
23M → 24M14203-189#5393#5582
24M → 40K11295-284#5582#5866
40K → 25.2M10100-90#5866#5956
25.2M → Finish15308-293#5956#6249
TOTALS14312398-967
📊

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