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BOSTON MARATHON 2025

May Robison

Bib: 16256•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Division (F18-39)
#0 / 5469
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #8856
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
45:02
Rank: #9866 (-1010)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:08:06
Rank: #10271 (-405)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:31:41
Rank: #10566 (-295)
15K → 20K
23:35 | 7:35/mi
Half· 13.11 mi
1:36:50
Rank: #10639 (-73)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:55:25
Rank: #10691 (-52)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:19:52
Rank: #10618 (+73)
25K → 30K
24:27 | 7:52/mi
20M
2:30:34
Rank: #10503 (+115)
30K → 20M
10:42 | 7:52/mi
21M
2:38:58
Rank: #10434 (+69)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:44:40
Rank: #10385 (+49)
21M → 35K
5:42 | 7:37/mi
23M
2:54:25
Rank: #10221 (+164)
35K → 23M
9:45 | 7:47/mi
24M
3:02:04
Rank: #10112 (+109)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:08:44
Rank: #10019 (+93)
24M → 40K
6:40 | 7:48/mi
25.2M
3:11:37
Rank: #9958 (+61)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:18:53
Rank: #9780 (+178)
25.2M → Finish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:50
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:42:03
Pace7:47 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4422:087:0722:08
7:07
-
10K
6.21 mi11:18:3845:027:1522:54
7:22
+0:15
15K
9.32 mi11:41:421:08:067:1823:04
7:25
+0:03
20K
12.43 mi12:05:171:31:417:2323:35
7:35
+0:10
Half
13.11 mi12:10:261:36:507:235:09
7:33
-0:02
25K
15.53 mi12:29:011:55:257:2618:35
7:40
+0:07
30K
18.64 mi12:53:282:19:527:3024:27
7:52
+0:12
20M
20.00 mi13:04:102:30:347:3210:42
7:52
0:00
21M
21.00 mi13:12:342:38:587:348:24
8:24
+0:32
35K
21.75 mi13:18:162:44:407:345:42
7:37
-0:47
23M
23.00 mi13:28:012:54:257:359:45
7:47
+0:10
24M
24.00 mi13:35:403:02:047:357:39
7:39
-0:08
40K
24.85 mi13:42:203:08:447:366:40
7:48
+0:09
25.2M
25.20 mi13:45:133:11:377:362:53
8:22
+0:34
Finish
26.22 mi13:52:293:18:537:357:16
7:08
-1:14

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

7:07 /mi

Average Pace

7:35 /mi

Slowest Pace

8:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:27

77% of race

Time at Steady Pace

38:02

19% of race

Time at Slower Pace

8:24

4% of race

Average Pace: 7:35 /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 mi10:55:4422:087:0722:08
7:07
#8856
10K
6.21 mi11:18:3845:027:1522:54
7:22
#9866
15K
9.32 mi11:41:421:08:067:1823:04
7:25
#10271
20K
12.43 mi12:05:171:31:417:2323:35
7:35
#10566
Half
13.11 mi12:10:261:36:507:235:09
7:33
#10639
25K
15.53 mi12:29:011:55:257:2618:35
7:40
#10691
30K
18.64 mi12:53:282:19:527:3024:27
7:52
#10618
20M
20.00 mi13:04:102:30:347:3210:42
7:52
#10503
21M
21.00 mi13:12:342:38:587:348:24
8:24
#10434
35K
21.75 mi13:18:162:44:407:345:42
7:37
#10385
23M
23.00 mi13:28:012:54:257:359:45
7:47
#10221
24M
24.00 mi13:35:403:02:047:357:39
7:39
#10112
40K
24.85 mi13:42:203:08:447:366:40
7:48
#10019
25.2M
25.20 mi13:45:133:11:377:362:53
8:22
#9958
Finish
26.22 mi13:52:293:18:537:357:16
7:08
#9780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi88561314131411111(Top 39%)2425(Top 20%)2425(Top 44%)
10K6.21 mi3.10 mi9866-10101740-4261740-42610935(Top 38%)2276(Top 19%)2276(Top 42%)
15K9.32 mi3.11 mi10271-4051959-2191959-21911111(Top 39%)2425(Top 20%)2425(Top 44%)
20K12.43 mi3.11 mi10566-2952132-1732132-17311519(Top 41%)2744(Top 22%)2744(Top 50%)
Half13.11 mi0.68 mi10639-732163-312163-3112138(Top 43%)2999(Top 25%)2999(Top 55%)
25K15.53 mi2.42 mi10691-522226-632226-6311268(Top 40%)2717(Top 22%)2717(Top 50%)
30K18.64 mi3.11 mi10618+732265-392265-3910421(Top 37%)2499(Top 20%)2499(Top 46%)
20M20.00 mi1.36 mi10503+1152254+112254+119552(Top 34%)2241(Top 18%)2241(Top 41%)
21M21.00 mi1.00 mi10434+692261-72261-79859(Top 35%)2543(Top 21%)2543(Top 46%)
35K21.75 mi0.75 mi10385+492253+82253+89503(Top 33%)2358(Top 19%)2358(Top 43%)
23M23.00 mi1.25 mi10221+1642222+312222+318520(Top 30%)2051(Top 17%)2051(Top 38%)
24M24.00 mi1.00 mi10112+1092196+262196+268807(Top 31%)2233(Top 18%)2233(Top 41%)
40K24.85 mi0.85 mi10019+932181+152181+158771(Top 31%)2341(Top 19%)2341(Top 43%)
25.2M25.20 mi0.35 mi9958+612169+122169+128028(Top 28%)2086(Top 17%)2086(Top 38%)
Finish26.22 mi1.02 mi9780+1782126+432126+436620(Top 23%)1506(Top 12%)1506(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11111

Females

2425

F18-39

2425

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10935

Females

2276

F18-39

2276

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11111

Females

2425

F18-39

2425

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11519

Females

2744

F18-39

2744

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12138

Females

2999

F18-39

2999

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11268

Females

2717

F18-39

2717

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10421

Females

2499

F18-39

2499

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9552

Females

2241

F18-39

2241

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9859

Females

2543

F18-39

2543

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9503

Females

2358

F18-39

2358

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8520

Females

2051

F18-39

2051

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8807

Females

2233

F18-39

2233

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8771

Females

2341

F18-39

2341

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8028

Females

2086

F18-39

2086

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6620

Females

1506

F18-39

1506

Passing Analysis

Category:
Athletes Passed
1725*
Passed By
2645
Net Change
-924
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8856
5K → 10K321041-1010#8856#9866
10K → 15K75478-405#9866#10271
15K → 20K95389-295#10271#10566
20K → Half1588-73#10566#10639
Half → 25K154206-52#10639#10691
25K → 30K266193+73#10691#10618
30K → 20M16853+115#10618#10503
20M → 21M14273+69#10503#10434
21M → 35K7728+49#10434#10385
35K → 23M19127+164#10385#10221
23M → 24M13021+109#10221#10112
24M → 40K12633+93#10112#10019
40K → 25.2M68*7+61#10019#9958
25.2M → Finish1868+178#9958#9780
TOTALS1725*2645-924

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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