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BOSTON MARATHON 2025

Megan Bur

Bib: 16491•F

SC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:18
Rank: #9293
Start → 5K
22:18 | 7:11/mi
10K· 6.21 mi
45:06
Rank: #9977 (-684)
5K → 10K
22:48 | 7:20/mi
15K· 9.32 mi
1:07:23
Rank: #9583 (+394)
10K → 15K
22:17 | 7:10/mi
20K· 12.43 mi
1:30:12
Rank: #9488 (+95)
15K → 20K
22:49 | 7:21/mi
Half· 13.11 mi
1:35:08
Rank: #9466 (+22)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:52:52
Rank: #9276 (+190)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:16:02
Rank: #8807 (+469)
25K → 30K
23:10 | 7:27/mi
20M
2:26:09
Rank: #8588 (+219)
30K → 20M
10:07 | 7:27/mi
21M
2:33:59
Rank: #8399 (+189)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:39:25
Rank: #8310 (+89)
21M → 35K
5:26 | 7:16/mi
23M
2:48:58
Rank: #8202 (+108)
35K → 23M
9:33 | 7:38/mi
24M
2:56:35
Rank: #8170 (+32)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:03:17
Rank: #8167 (+3)
24M → 40K
6:42 | 7:50/mi
25.2M
3:06:14
Rank: #8171 (-4)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:13:53
Rank: #8182 (-11)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:08
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:38:45
Pace7:32 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4622:187:1122:18
7:11
-
10K
6.21 mi11:18:3445:067:1522:48
7:20
+0:09
15K
9.32 mi11:40:511:07:237:1422:17
7:10
-0:10
20K
12.43 mi12:03:401:30:127:1522:49
7:21
+0:11
Half
13.11 mi12:08:361:35:087:154:56
7:14
-0:07
25K
15.53 mi12:26:201:52:527:1617:44
7:19
+0:05
30K
18.64 mi12:49:302:16:027:1823:10
7:27
+0:08
20M
20.00 mi12:59:372:26:097:1810:07
7:27
0:00
21M
21.00 mi13:07:272:33:597:207:50
7:50
+0:23
35K
21.75 mi13:12:532:39:257:205:26
7:16
-0:34
23M
23.00 mi13:22:262:48:587:219:33
7:38
+0:22
24M
24.00 mi13:30:032:56:357:217:37
7:37
-0:01
40K
24.85 mi13:36:453:03:177:226:42
7:50
+0:13
25.2M
25.20 mi13:39:423:06:147:232:57
8:33
+0:43
Finish
26.22 mi13:47:213:13:537:247:39
7:30
-1:03

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

7:10 /mi

Average Pace

7:24 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:56

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:57

2% of race

Average Pace: 7:24 /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 mi10:55:4622:187:1122:18
7:11
#9293
10K
6.21 mi11:18:3445:067:1522:48
7:20
#9977
15K
9.32 mi11:40:511:07:237:1422:17
7:10
#9583
20K
12.43 mi12:03:401:30:127:1522:49
7:21
#9488
Half
13.11 mi12:08:361:35:087:154:56
7:14
#9466
25K
15.53 mi12:26:201:52:527:1617:44
7:19
#9276
30K
18.64 mi12:49:302:16:027:1823:10
7:27
#8807
20M
20.00 mi12:59:372:26:097:1810:07
7:27
#8588
21M
21.00 mi13:07:272:33:597:207:50
7:50
#8399
35K
21.75 mi13:12:532:39:257:205:26
7:16
#8310
23M
23.00 mi13:22:262:48:587:219:33
7:38
#8202
24M
24.00 mi13:30:032:56:357:217:37
7:37
#8170
40K
24.85 mi13:36:453:03:177:226:42
7:50
#8167
25.2M
25.20 mi13:39:423:06:147:232:57
8:33
#8171
Finish
26.22 mi13:47:213:13:537:247:39
7:30
#8182
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9293150715078906(Top 31%)1382(Top 11%)1382(Top 25%)
10K6.21 mi3.10 mi9977-6841796-2891796-28910657(Top 38%)2134(Top 17%)2134(Top 39%)
15K9.32 mi3.11 mi9583+3941642+1541642+1548906(Top 31%)1382(Top 11%)1382(Top 25%)
20K12.43 mi3.11 mi9488+951633+91633+99418(Top 33%)1699(Top 14%)1699(Top 31%)
Half13.11 mi0.68 mi9466+221632+11632+19424(Top 33%)1667(Top 14%)1667(Top 30%)
25K15.53 mi2.42 mi9276+1901574+581574+588487(Top 30%)1416(Top 12%)1416(Top 26%)
30K18.64 mi3.11 mi8807+4691424+1501424+1507452(Top 26%)1189(Top 10%)1189(Top 22%)
20M20.00 mi1.36 mi8588+2191372+521372+526685(Top 24%)1037(Top 8%)1037(Top 19%)
21M21.00 mi1.00 mi8399+1891329+431329+436421(Top 23%)1074(Top 9%)1074(Top 20%)
35K21.75 mi0.75 mi8310+891313+161313+167030(Top 25%)1303(Top 11%)1303(Top 24%)
23M23.00 mi1.25 mi8202+108131313137447(Top 26%)1587(Top 13%)1587(Top 29%)
24M24.00 mi1.00 mi8170+321344-311344-318546(Top 30%)2108(Top 17%)2108(Top 39%)
40K24.85 mi0.85 mi8167+31365-211365-219037(Top 32%)2458(Top 20%)2458(Top 45%)
25.2M25.20 mi0.35 mi8171-41381-161381-169130(Top 32%)2567(Top 21%)2567(Top 47%)
Finish26.22 mi1.02 mi8182-111426-451426-459250(Top 33%)2637(Top 22%)2637(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8906

Females

1382

F18-39

1382

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10657

Females

2134

F18-39

2134

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8906

Females

1382

F18-39

1382

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9418

Females

1699

F18-39

1699

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9424

Females

1667

F18-39

1667

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8487

Females

1416

F18-39

1416

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7452

Females

1189

F18-39

1189

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6685

Females

1037

F18-39

1037

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6421

Females

1074

F18-39

1074

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7030

Females

1303

F18-39

1303

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7447

Females

1587

F18-39

1587

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8546

Females

2108

F18-39

2108

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9037

Females

2458

F18-39

2458

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9130

Females

2567

F18-39

2567

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9250

Females

2637

F18-39

2637

Passing Analysis

Category:
Athletes Passed
2450*
Passed By
1338
Net Change
+1111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9293
5K → 10K59742-684#9293#9977
10K → 15K427*33+394#9977#9583
15K → 20K217122+95#9583#9488
20K → Half4624+22#9488#9466
Half → 25K24555+190#9466#9276
25K → 30K50132+469#9276#8807
30K → 20M23011+219#8807#8588
20M → 21M20617+189#8588#8399
21M → 35K10415+89#8399#8310
35K → 23M15951+108#8310#8202
23M → 24M9664+32#8202#8170
24M → 40K6360+3#8170#8167
40K → 25.2M2630-4#8167#8171
25.2M → Finish7182-11#8171#8182
TOTALS2450*1338+1111

* 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