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BOSTON MARATHON 2025

Melissa Butler

Bib: 15856•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F45-49)
#0 / 1813
Top 40%
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
7:59/mi
24:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
51:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:16:35
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:42:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:47:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:30/mi
2:08:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:36:28
↑ 181↓ 1480.2%
20M
8:34/mi
2:48:07
↑ 64↓ 500.2%
21M
9:00/mi
2:57:07
↑ 106↓ 241.6%
35K· 21.75 mi
9:36/mi
3:04:18
↑ 17↓ 861.7%
23M
8:27/mi
3:14:53
↑ 23↓ 630.6%
24M
8:18/mi
3:23:11
↓ 821.3%
40K· 24.85 mi
8:30/mi
3:30:27
↓ 200.3%
25.2M
9:05/mi
3:33:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:41:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:53:34
Pace8:40 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0724:497:5924:49
7:59
-
10K
6.21 mi11:23:2751:098:1426:20
8:29
+0:30
15K
9.32 mi11:48:531:16:358:1325:26
8:11
-0:18
20K
12.43 mi12:14:361:42:188:1425:43
8:17
+0:06
Half
13.11 mi12:20:171:47:598:145:41
8:20
+0:03
25K
15.53 mi12:40:532:08:358:1720:36
8:30
+0:10
30K
18.64 mi13:08:462:36:288:2427:53
8:58
+0:28
20M
20.00 mi13:20:252:48:078:2411:39
8:34
-0:24
21M
21.00 mi13:29:252:57:078:269:00
9:00
+0:26
35K
21.75 mi13:36:363:04:188:287:11
9:36
+0:36
23M
23.00 mi13:47:113:14:538:2810:35
8:27
-1:09
24M
24.00 mi13:55:293:23:118:288:18
8:18
-0:09
40K
24.85 mi14:02:453:30:278:287:16
8:30
+0:12
25.2M
25.20 mi14:05:533:33:358:293:08
9:05
+0:35
Finish
26.22 mi14:13:513:41:338:277:58
7:49
-1:16

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

7:49 /mi

Average Pace

8:27 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:13

26% of race

Time at Steady Pace

1:56:08

52% of race

Time at Slower Pace

47:12

21% of race

Average Pace: 8:27 /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 mi10:57:0724:497:5924:49
7:59
#16497
10K
6.21 mi11:23:2751:098:1426:20
8:29
#18192
15K
9.32 mi11:48:531:16:358:1325:26
8:11
#17865
20K
12.43 mi12:14:361:42:188:1425:43
8:17
#17557
Half
13.11 mi12:20:171:47:598:145:41
8:20
#17592
25K
15.53 mi12:40:532:08:358:1720:36
8:30
#17464
30K
18.64 mi13:08:462:36:288:2427:53
8:58
#17425
20M
20.00 mi13:20:252:48:078:2411:39
8:34
#17170
21M
21.00 mi13:29:252:57:078:269:00
9:00
#16912
35K
21.75 mi13:36:363:04:188:287:11
9:36
#17104
23M
23.00 mi13:47:113:14:538:2810:35
8:27
#16834
24M
24.00 mi13:55:293:23:118:288:18
8:18
#16663
40K
24.85 mi14:02:453:30:278:287:16
8:30
#16523
25.2M
25.20 mi14:05:533:33:358:293:08
9:05
#16451
Finish
26.22 mi14:13:513:41:338:277:58
7:49
#16256
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi164975448544817318(Top 61%)5909(Top 48%)5909(Top 326%)
10K6.21 mi3.10 mi18192-16956445-9976445-99719657(Top 69%)7275(Top 59%)7275(Top 401%)
15K9.32 mi3.11 mi17865+3276243+2026243+20217318(Top 61%)5909(Top 48%)5909(Top 326%)
20K12.43 mi3.11 mi17557+3086069+1746069+17416809(Top 59%)5670(Top 46%)5670(Top 313%)
Half13.11 mi0.68 mi17592-356089-206089-2018118(Top 64%)6368(Top 52%)6368(Top 351%)
25K15.53 mi2.42 mi17464+1286037+526037+5217181(Top 60%)5958(Top 49%)5958(Top 329%)
30K18.64 mi3.11 mi17425+396070-336070-3317555(Top 62%)6335(Top 52%)6335(Top 349%)
20M20.00 mi1.36 mi17170+2555943+1275943+12714292(Top 50%)4666(Top 38%)4666(Top 257%)
21M21.00 mi1.00 mi16912+2585817+1265817+12613550(Top 48%)4398(Top 36%)4398(Top 243%)
35K21.75 mi0.75 mi17104-1925966-1495966-14920693(Top 73%)8339(Top 68%)8339(Top 460%)
23M23.00 mi1.25 mi16834+2705833+1335833+13313052(Top 46%)4309(Top 35%)4309(Top 238%)
24M24.00 mi1.00 mi16663+1715751+825751+8213299(Top 47%)4474(Top 37%)4474(Top 247%)
40K24.85 mi0.85 mi16523+1405702+495702+4913471(Top 47%)4698(Top 38%)4698(Top 259%)
25.2M25.20 mi0.35 mi16451+725667+355667+3512408(Top 44%)4207(Top 34%)4207(Top 232%)
Finish26.22 mi1.02 mi16256+1955574+935574+9311615(Top 41%)3768(Top 31%)3768(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17318

Females

5909

F45-49

5909

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19657

Females

7275

F45-49

7275

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17318

Females

5909

F45-49

5909

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16809

Females

5670

F45-49

5670

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18118

Females

6368

F45-49

6368

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

17181

Females

5958

F45-49

5958

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17555

Females

6335

F45-49

6335

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14292

Females

4666

F45-49

4666

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13550

Females

4398

F45-49

4398

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20693

Females

8339

F45-49

8339

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13052

Females

4309

F45-49

4309

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13299

Females

4474

F45-49

4474

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13471

Females

4698

F45-49

4698

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12408

Females

4207

F45-49

4207

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11615

Females

3768

F45-49

3768

Passing Analysis

Category:
Athletes Passed
2704
Passed By
2463
Net Change
+241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16497
5K → 10K201715-1695#16497#18192
10K → 15K38356+327#18192#17865
15K → 20K36052+308#17865#17557
20K → Half2964-35#17557#17592
Half → 25K21991+128#17592#17464
25K → 30K237198+39#17464#17425
30K → 20M2627+255#17425#17170
20M → 21M27214+258#17170#16912
21M → 35K25217-192#16912#17104
35K → 23M2788+270#17104#16834
23M → 24M1798+171#16834#16663
24M → 40K15616+140#16663#16523
40K → 25.2M775+72#16523#16451
25.2M → Finish20712+195#16451#16256
TOTALS27042463+241
📊

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