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BOSTON MARATHON 2025

Mary Butler

Bib: 15683•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 27%
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
7:16/mi
22:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
46:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:09:52
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:33:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:56:29
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:20:12
↑ 181↓ 1480.2%
20M
7:44/mi
2:30:43
↑ 64↓ 500.2%
21M
7:55/mi
2:38:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:44:09
↑ 17↓ 861.7%
23M
7:31/mi
2:53:34
↑ 23↓ 630.6%
24M
7:29/mi
3:01:03
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:07:26
↓ 200.3%
25.2M
7:50/mi
3:10:08
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:17:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:17
Pace7:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:49
Pace7:32 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1122:347:1622:34
7:16
-
10K
6.21 mi11:17:4346:067:2523:32
7:34
+0:18
15K
9.32 mi11:41:291:09:527:3023:46
7:39
+0:05
20K
12.43 mi12:04:491:33:127:3023:20
7:31
-0:08
Half
13.11 mi12:09:541:38:177:305:05
7:27
-0:04
25K
15.53 mi12:28:061:56:297:3018:12
7:30
+0:03
30K
18.64 mi12:51:492:20:127:3123:43
7:38
+0:08
20M
20.00 mi13:02:202:30:437:3210:31
7:44
+0:06
21M
21.00 mi13:10:152:38:387:337:55
7:55
+0:11
35K
21.75 mi13:15:462:44:097:335:31
7:22
-0:33
23M
23.00 mi13:25:112:53:347:339:25
7:31
+0:09
24M
24.00 mi13:32:403:01:037:337:29
7:29
-0:02
40K
24.85 mi13:39:033:07:267:326:23
7:28
-0:01
25.2M
25.20 mi13:41:453:10:087:332:42
7:50
+0:22
Finish
26.22 mi13:48:433:17:067:316:58
6:50
-1:00

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

6:50 /mi

Average Pace

7:31 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:57

53% of race

Time at Steady Pace

1:32:09

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:54:1122:347:1622:34
7:16
#10021
10K
6.21 mi11:17:4346:067:2523:32
7:34
#11409
15K
9.32 mi11:41:291:09:527:3023:46
7:39
#11945
20K
12.43 mi12:04:491:33:127:3023:20
7:31
#11624
Half
13.11 mi12:09:541:38:177:305:05
7:27
#11614
25K
15.53 mi12:28:061:56:297:3018:12
7:30
#11318
30K
18.64 mi12:51:492:20:127:3123:43
7:38
#10777
20M
20.00 mi13:02:202:30:437:3210:31
7:44
#10568
21M
21.00 mi13:10:152:38:387:337:55
7:55
#10273
35K
21.75 mi13:15:462:44:097:335:31
7:22
#10164
23M
23.00 mi13:25:112:53:347:339:25
7:31
#9914
24M
24.00 mi13:32:403:01:037:337:29
7:29
#9761
40K
24.85 mi13:39:033:07:267:326:23
7:28
#9588
25.2M
25.20 mi13:41:453:10:087:332:42
7:50
#9486
Finish
26.22 mi13:48:433:17:067:316:58
6:50
#9242
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi100211816181613043(Top 46%)3462(Top 28%)3462(Top 63%)
10K6.21 mi3.10 mi11409-13882502-6862502-68612794(Top 45%)3243(Top 27%)3243(Top 59%)
15K9.32 mi3.11 mi11945-5362797-2952797-29513043(Top 46%)3462(Top 28%)3462(Top 63%)
20K12.43 mi3.11 mi11624+3212674+1232674+12310855(Top 38%)2394(Top 20%)2394(Top 44%)
Half13.11 mi0.68 mi11614+102669+52669+511327(Top 40%)2572(Top 21%)2572(Top 47%)
25K15.53 mi2.42 mi11318+2962546+1232546+12310034(Top 35%)2110(Top 17%)2110(Top 39%)
30K18.64 mi3.11 mi10777+5412348+1982348+1988710(Top 31%)1699(Top 14%)1699(Top 31%)
20M20.00 mi1.36 mi10568+2092288+602288+608651(Top 30%)1814(Top 15%)1814(Top 33%)
21M21.00 mi1.00 mi10273+2952176+1122176+1126925(Top 24%)1283(Top 10%)1283(Top 23%)
35K21.75 mi0.75 mi10164+1092144+322144+327780(Top 27%)1603(Top 13%)1603(Top 29%)
23M23.00 mi1.25 mi9914+2502070+742070+746776(Top 24%)1310(Top 11%)1310(Top 24%)
24M24.00 mi1.00 mi9761+1532025+452025+457602(Top 27%)1708(Top 14%)1708(Top 31%)
40K24.85 mi0.85 mi9588+1731977+481977+486641(Top 23%)1406(Top 11%)1406(Top 26%)
25.2M25.20 mi0.35 mi9486+1021946+311946+315142(Top 18%)940(Top 8%)940(Top 17%)
Finish26.22 mi1.02 mi9242+2441877+691877+694765(Top 17%)790(Top 6%)790(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13043

Females

3462

F18-39

3462

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12794

Females

3243

F18-39

3243

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13043

Females

3462

F18-39

3462

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10855

Females

2394

F18-39

2394

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11327

Females

2572

F18-39

2572

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

10034

Females

2110

F18-39

2110

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8710

Females

1699

F18-39

1699

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8651

Females

1814

F18-39

1814

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6925

Females

1283

F18-39

1283

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7780

Females

1603

F18-39

1603

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6776

Females

1310

F18-39

1310

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7602

Females

1708

F18-39

1708

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6641

Females

1406

F18-39

1406

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5142

Females

940

F18-39

940

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4765

Females

790

F18-39

790

Passing Analysis

Category:
Athletes Passed
2984*
Passed By
2204
Net Change
+779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10021
5K → 10K141401-1388#10021#11409
10K → 15K60596-536#11409#11945
15K → 20K37554+321#11945#11624
20K → Half4030+10#11624#11614
Half → 25K32327+296#11614#11318
25K → 30K56625+541#11318#10777
30K → 20M22819+209#10777#10568
20M → 21M2994+295#10568#10273
21M → 35K12314+109#10273#10164
35K → 23M259*9+250#10164#9914
23M → 24M16613+153#9914#9761
24M → 40K1829+173#9761#9588
40K → 25.2M1020+102#9588#9486
25.2M → Finish2473+244#9486#9242
TOTALS2984*2204+779

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

📊

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