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BOSTON MARATHON 2025

Margaret Glad

Bib: 10431•F

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:57
Rank: #8358
Start → 5K
21:57 | 7:04/mi
10K· 6.21 mi
44:06
Rank: #8626 (-268)
5K → 10K
22:09 | 7:08/mi
15K· 9.32 mi
1:06:18
Rank: #8597 (+29)
10K → 15K
22:12 | 7:09/mi
20K· 12.43 mi
1:28:51
Rank: #8542 (+55)
15K → 20K
22:33 | 7:15/mi
Half· 13.11 mi
1:33:42
Rank: #8517 (+25)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:51:23
Rank: #8432 (+85)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:14:38
Rank: #8205 (+227)
25K → 30K
23:15 | 7:29/mi
20M
2:24:53
Rank: #8084 (+121)
30K → 20M
10:15 | 7:33/mi
21M
2:32:39
Rank: #7882 (+202)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:37:48
Rank: #7724 (+158)
21M → 35K
5:09 | 6:53/mi
23M
2:47:08
Rank: #7585 (+139)
35K → 23M
9:20 | 7:27/mi
24M
2:54:25
Rank: #7470 (+115)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
3:00:40
Rank: #7343 (+127)
24M → 40K
6:15 | 7:19/mi
25.2M
3:03:20
Rank: #7288 (+55)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:10:19
Rank: #7152 (+136)
25.2M → Finish
6:59 | 6:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:42
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5321:577:0421:57
7:04
-
10K
6.21 mi11:10:0244:067:0622:09
7:08
+0:04
15K
9.32 mi11:32:141:06:187:0722:12
7:09
+0:01
20K
12.43 mi11:54:471:28:517:0922:33
7:15
+0:06
Half
13.11 mi11:59:381:33:427:094:51
7:07
-0:08
25K
15.53 mi12:17:191:51:237:1017:41
7:18
+0:11
30K
18.64 mi12:40:342:14:387:1323:15
7:29
+0:11
20M
20.00 mi12:50:492:24:537:1510:15
7:33
+0:04
21M
21.00 mi12:58:352:32:397:167:46
7:46
+0:13
35K
21.75 mi13:03:442:37:487:155:09
6:53
-0:53
23M
23.00 mi13:13:042:47:087:169:20
7:27
+0:34
24M
24.00 mi13:20:212:54:257:167:17
7:17
-0:10
40K
24.85 mi13:26:363:00:407:166:15
7:19
+0:02
25.2M
25.20 mi13:29:163:03:207:172:40
7:44
+0:25
Finish
26.22 mi13:36:153:10:197:166:59
6:51
-0:53

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

6:51 /mi

Average Pace

7:16 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:38

89% of race

Time at Steady Pace

20:41

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:47:5321:577:0421:57
7:04
#8358
10K
6.21 mi11:10:0244:067:0622:09
7:08
#8626
15K
9.32 mi11:32:141:06:187:0722:12
7:09
#8597
20K
12.43 mi11:54:471:28:517:0922:33
7:15
#8542
Half
13.11 mi11:59:381:33:427:094:51
7:07
#8517
25K
15.53 mi12:17:191:51:237:1017:41
7:18
#8432
30K
18.64 mi12:40:342:14:387:1323:15
7:29
#8205
20M
20.00 mi12:50:492:24:537:1510:15
7:33
#8084
21M
21.00 mi12:58:352:32:397:167:46
7:46
#7882
35K
21.75 mi13:03:442:37:487:155:09
6:53
#7724
23M
23.00 mi13:13:042:47:087:169:20
7:27
#7585
24M
24.00 mi13:20:212:54:257:167:17
7:17
#7470
40K
24.85 mi13:26:363:00:407:166:15
7:19
#7343
25.2M
25.20 mi13:29:163:03:207:172:40
7:44
#7288
Finish
26.22 mi13:36:153:10:197:166:59
6:51
#7152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8358111511158678(Top 31%)1295(Top 11%)1295(Top 24%)
10K6.21 mi3.10 mi8626-2681229-1141229-1148930(Top 31%)1345(Top 11%)1345(Top 25%)
15K9.32 mi3.11 mi8597+291230-11230-18678(Top 31%)1295(Top 11%)1295(Top 24%)
20K12.43 mi3.11 mi8542+551232-21232-28694(Top 31%)1391(Top 11%)1391(Top 25%)
Half13.11 mi0.68 mi8517+251225+71225+78390(Top 30%)1228(Top 10%)1228(Top 22%)
25K15.53 mi2.42 mi8432+851213+121213+128320(Top 29%)1344(Top 11%)1344(Top 25%)
30K18.64 mi3.11 mi8205+2271188+251188+257643(Top 27%)1246(Top 10%)1246(Top 23%)
20M20.00 mi1.36 mi8084+1211176+121176+127318(Top 26%)1264(Top 10%)1264(Top 23%)
21M21.00 mi1.00 mi7882+2021129+471129+476024(Top 21%)932(Top 8%)932(Top 17%)
35K21.75 mi0.75 mi7724+1581094+351094+354696(Top 17%)539(Top 4%)539(Top 10%)
23M23.00 mi1.25 mi7585+1391091+31091+36390(Top 22%)1158(Top 9%)1158(Top 21%)
24M24.00 mi1.00 mi7470+1151085+61085+66337(Top 22%)1195(Top 10%)1195(Top 22%)
40K24.85 mi0.85 mi7343+1271066+191066+195731(Top 20%)1028(Top 8%)1028(Top 19%)
25.2M25.20 mi0.35 mi7288+551056+101056+104609(Top 16%)756(Top 6%)756(Top 14%)
Finish26.22 mi1.02 mi7152+1361035+211035+214838(Top 17%)809(Top 7%)809(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8678

Females

1295

F18-39

1295

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8930

Females

1345

F18-39

1345

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8678

Females

1295

F18-39

1295

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8694

Females

1391

F18-39

1391

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8390

Females

1228

F18-39

1228

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8320

Females

1344

F18-39

1344

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7643

Females

1246

F18-39

1246

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7318

Females

1264

F18-39

1264

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6024

Females

932

F18-39

932

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4696

Females

539

F18-39

539

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6390

Females

1158

F18-39

1158

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6337

Females

1195

F18-39

1195

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5731

Females

1028

F18-39

1028

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4609

Females

756

F18-39

756

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4838

Females

809

F18-39

809

Passing Analysis

Category:
Athletes Passed
2189
Passed By
983
Net Change
+1206
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8358
5K → 10K111379-268#8358#8626
10K → 15K178149+29#8626#8597
15K → 20K199144+55#8597#8542
20K → Half4318+25#8542#8517
Half → 25K16883+85#8517#8432
25K → 30K31386+227#8432#8205
30K → 20M15938+121#8205#8084
20M → 21M21311+202#8084#7882
21M → 35K1602+158#7882#7724
35K → 23M16728+139#7724#7585
23M → 24M13015+115#7585#7470
24M → 40K14518+127#7470#7343
40K → 25.2M594+55#7343#7288
25.2M → Finish1448+136#7288#7152
TOTALS2189983+1206
📊

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