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BOSTON MARATHON 2025

Jill May

Bib: 20785•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:21/mi
25:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
52:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:19:25
↑ 67↓ 78
20K· 12.43 mi
9:05/mi
1:47:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:53:37
↑ 19↓ 370.5%
25K· 15.53 mi
9:17/mi
2:16:07
↑ 66↓ 880.2%
30K· 18.64 mi
9:36/mi
2:45:55
↑ 181↓ 1480.2%
20M
9:49/mi
2:59:15
↑ 64↓ 500.2%
21M
10:55/mi
3:10:10
↑ 106↓ 241.6%
35K· 21.75 mi
10:31/mi
3:18:02
↑ 17↓ 861.7%
23M
11:02/mi
3:31:51
↑ 23↓ 630.6%
24M
11:26/mi
3:43:17
↓ 821.3%
40K· 24.85 mi
11:22/mi
3:53:00
↓ 200.3%
25.2M
11:36/mi
3:57:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:48/mi
4:06:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:37
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:13:22
Pace10:10 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2225:558:2125:55
8:21
-
10K
6.21 mi11:46:5152:248:2626:29
8:31
+0:10
15K
9.32 mi12:13:521:19:258:3127:01
8:42
+0:11
20K
12.43 mi12:42:061:47:398:4028:14
9:05
+0:23
Half
13.11 mi12:48:041:53:378:405:58
8:45
-0:20
25K
15.53 mi13:10:342:16:078:4622:30
9:17
+0:32
30K
18.64 mi13:40:222:45:558:5429:48
9:36
+0:19
20M
20.00 mi13:53:422:59:158:5813:20
9:49
+0:13
21M
21.00 mi14:04:373:10:109:0310:55
10:55
+1:06
35K
21.75 mi14:12:293:18:029:067:52
10:31
-0:24
23M
23.00 mi14:26:183:31:519:1313:49
11:02
+0:31
24M
24.00 mi14:37:443:43:179:1811:26
11:26
+0:24
40K
24.85 mi14:47:273:53:009:229:43
11:22
-0:04
25.2M
25.20 mi14:51:273:57:009:244:00
11:36
+0:14
Finish
26.22 mi15:01:264:06:599:269:59
9:48
-1:48

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

8:21 /mi

Average Pace

9:26 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:37

46% of race

Time at Steady Pace

1:15:37

31% of race

Time at Slower Pace

57:45

23% of race

Average Pace: 9:25 /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 mi11:20:2225:558:2125:55
8:21
#18987
10K
6.21 mi11:46:5152:248:2626:29
8:31
#19447
15K
9.32 mi12:13:521:19:258:3127:01
8:42
#19806
20K
12.43 mi12:42:061:47:398:4028:14
9:05
#20210
Half
13.11 mi12:48:041:53:378:405:58
8:45
#20227
25K
15.53 mi13:10:342:16:078:4622:30
9:17
#20422
30K
18.64 mi13:40:222:45:558:5429:48
9:36
#20374
20M
20.00 mi13:53:422:59:158:5813:20
9:49
#20385
21M
21.00 mi14:04:373:10:109:0310:55
10:55
#20457
35K
21.75 mi14:12:293:18:029:067:52
10:31
#20596
23M
23.00 mi14:26:183:31:519:1313:49
11:02
#20879
24M
24.00 mi14:37:443:43:179:1811:26
11:26
#21142
40K
24.85 mi14:47:273:53:009:229:43
11:22
#21279
25.2M
25.20 mi14:51:273:57:009:244:00
11:36
#21301
Finish
26.22 mi15:01:264:06:599:269:59
9:48
#21342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi189876903690320482(Top 72%)7703(Top 63%)7703(Top 448%)
10K6.21 mi3.10 mi19447-4607155-2527155-25219947(Top 70%)7440(Top 61%)7440(Top 433%)
15K9.32 mi3.11 mi19806-3597352-1977352-19720482(Top 72%)7703(Top 63%)7703(Top 448%)
20K12.43 mi3.11 mi20210-4047598-2467598-24621393(Top 75%)8257(Top 68%)8257(Top 481%)
Half13.11 mi0.68 mi20227-177615-177615-1720690(Top 73%)7875(Top 64%)7875(Top 458%)
25K15.53 mi2.42 mi20422-1957724-1097724-10921107(Top 74%)8156(Top 67%)8156(Top 475%)
30K18.64 mi3.11 mi20374+487745-217745-2120325(Top 72%)7837(Top 64%)7837(Top 456%)
20M20.00 mi1.36 mi20385-117770-257770-2520346(Top 72%)7991(Top 65%)7991(Top 465%)
21M21.00 mi1.00 mi20457-727833-637833-6321182(Top 75%)8543(Top 70%)8543(Top 497%)
35K21.75 mi0.75 mi20596-1397918-857918-8523218(Top 82%)9658(Top 79%)9658(Top 562%)
23M23.00 mi1.25 mi20879-2838096-1788096-17823315(Top 82%)9767(Top 80%)9767(Top 569%)
24M24.00 mi1.00 mi21142-2638265-1698265-16924787(Top 87%)10527(Top 86%)10527(Top 613%)
40K24.85 mi0.85 mi21279-1378356-918356-9123897(Top 84%)10116(Top 83%)10116(Top 589%)
25.2M25.20 mi0.35 mi21301-228374-188374-1822327(Top 79%)9310(Top 76%)9310(Top 542%)
Finish26.22 mi1.02 mi21342-418410-368410-3622278(Top 78%)9311(Top 76%)9311(Top 542%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20482

Females

7703

F40-44

7703

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19947

Females

7440

F40-44

7440

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20482

Females

7703

F40-44

7703

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21393

Females

8257

F40-44

8257

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20690

Females

7875

F40-44

7875

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

21107

Females

8156

F40-44

8156

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20325

Females

7837

F40-44

7837

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20346

Females

7991

F40-44

7991

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21182

Females

8543

F40-44

8543

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23218

Females

9658

F40-44

9658

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23315

Females

9767

F40-44

9767

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24787

Females

10527

F40-44

10527

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23897

Females

10116

F40-44

10116

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22327

Females

9310

F40-44

9310

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22278

Females

9311

F40-44

9311

Passing Analysis

Category:
Athletes Passed
966
Passed By
3321
Net Change
-2355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18987
5K → 10K102562-460#18987#19447
10K → 15K106465-359#19447#19806
15K → 20K78482-404#19806#20210
20K → Half2643-17#20210#20227
Half → 25K100295-195#20227#20422
25K → 30K252204+48#20422#20374
30K → 20M98109-11#20374#20385
20M → 21M61133-72#20385#20457
21M → 35K25164-139#20457#20596
35K → 23M35318-283#20596#20879
23M → 24M12275-263#20879#21142
24M → 40K25162-137#21142#21279
40K → 25.2M1638-22#21279#21301
25.2M → Finish3071-41#21301#21342
TOTALS9663321-2355
📊

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