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BOSTON MARATHON 2025

Margaret Squires

Bib: 13939•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
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
7:05/mi
21:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:06:35
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:29:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:34:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:52:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:17:49
↑ 181↓ 1480.2%
20M
8:21/mi
2:29:10
↑ 64↓ 500.2%
21M
8:51/mi
2:38:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:44:10
↑ 17↓ 861.7%
23M
9:02/mi
2:55:29
↑ 23↓ 630.6%
24M
9:18/mi
3:04:47
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:12:43
↓ 200.3%
25.2M
11:04/mi
3:16:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:47/mi
3:26:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:42
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0721:597:0521:59
7:05
-
10K
6.21 mi11:13:1144:037:0522:04
7:06
+0:01
15K
9.32 mi11:35:431:06:357:0922:32
7:15
+0:09
20K
12.43 mi11:58:501:29:427:1323:07
7:26
+0:11
Half
13.11 mi12:03:501:34:427:135:00
7:20
-0:06
25K
15.53 mi12:22:071:52:597:1618:17
7:32
+0:12
30K
18.64 mi12:46:572:17:497:2424:50
8:00
+0:28
20M
20.00 mi12:58:182:29:107:2711:21
8:21
+0:21
21M
21.00 mi13:07:092:38:017:318:51
8:51
+0:30
35K
21.75 mi13:13:182:44:107:336:09
8:13
-0:38
23M
23.00 mi13:24:372:55:297:3811:19
9:02
+0:49
24M
24.00 mi13:33:553:04:477:429:18
9:18
+0:16
40K
24.85 mi13:41:513:12:437:457:56
9:17
-0:01
25.2M
25.20 mi13:45:403:16:327:483:49
11:04
+1:47
Finish
26.22 mi13:55:383:26:307:539:58
9:47
-1:17

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

7:05 /mi

Average Pace

7:53 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:59

55% of race

Time at Steady Pace

42:20

21% of race

Time at Slower Pace

51:11

25% of race

Average Pace: 7:53 /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 mi10:51:0721:597:0521:59
7:05
#8442
10K
6.21 mi11:13:1144:037:0522:04
7:06
#8572
15K
9.32 mi11:35:431:06:357:0922:32
7:15
#8869
20K
12.43 mi11:58:501:29:427:1323:07
7:26
#9152
Half
13.11 mi12:03:501:34:427:135:00
7:20
#9208
25K
15.53 mi12:22:071:52:597:1618:17
7:32
#9340
30K
18.64 mi12:46:572:17:497:2424:50
8:00
#9642
20M
20.00 mi12:58:182:29:107:2711:21
8:21
#9863
21M
21.00 mi13:07:092:38:017:318:51
8:51
#10039
35K
21.75 mi13:13:182:44:107:336:09
8:13
#10172
23M
23.00 mi13:24:372:55:297:3811:19
9:02
#10594
24M
24.00 mi13:33:553:04:477:429:18
9:18
#11003
40K
24.85 mi13:41:513:12:437:457:56
9:17
#11300
25.2M
25.20 mi13:45:403:16:327:483:49
11:04
#11533
Finish
26.22 mi13:55:383:26:307:539:58
9:47
#12130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8442114811489606(Top 34%)1710(Top 14%)1710(Top 31%)
10K6.21 mi3.10 mi8572-1301218-701218-708718(Top 31%)1275(Top 10%)1275(Top 23%)
15K9.32 mi3.11 mi8869-2971341-1231341-1239606(Top 34%)1710(Top 14%)1710(Top 31%)
20K12.43 mi3.11 mi9152-2831482-1411482-14110269(Top 36%)2096(Top 17%)2096(Top 38%)
Half13.11 mi0.68 mi9208-561512-301512-3010373(Top 37%)2153(Top 18%)2153(Top 39%)
25K15.53 mi2.42 mi9340-1321601-891601-8910322(Top 36%)2250(Top 18%)2250(Top 41%)
30K18.64 mi3.11 mi9642-3021800-1991800-19911339(Top 40%)2950(Top 24%)2950(Top 54%)
20M20.00 mi1.36 mi9863-2211926-1261926-12612856(Top 45%)3885(Top 32%)3885(Top 71%)
21M21.00 mi1.00 mi10039-1762052-1262052-12612625(Top 44%)3935(Top 32%)3935(Top 72%)
35K21.75 mi0.75 mi10172-1332148-962148-9613767(Top 48%)4547(Top 37%)4547(Top 83%)
23M23.00 mi1.25 mi10594-4222398-2502398-25016479(Top 58%)6150(Top 50%)6150(Top 112%)
24M24.00 mi1.00 mi11003-4092660-2622660-26218820(Top 66%)7445(Top 61%)7445(Top 136%)
40K24.85 mi0.85 mi11300-2972848-1882848-18817744(Top 62%)6986(Top 57%)6986(Top 128%)
25.2M25.20 mi0.35 mi11533-2332977-1292977-12920857(Top 73%)8571(Top 70%)8571(Top 157%)
Finish26.22 mi1.02 mi12130-5973311-3343311-33422207(Top 78%)9262(Top 76%)9262(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9606

Females

1710

F18-39

1710

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8718

Females

1275

F18-39

1275

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9606

Females

1710

F18-39

1710

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10269

Females

2096

F18-39

2096

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10373

Females

2153

F18-39

2153

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10322

Females

2250

F18-39

2250

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11339

Females

2950

F18-39

2950

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12856

Females

3885

F18-39

3885

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12625

Females

3935

F18-39

3935

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13767

Females

4547

F18-39

4547

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16479

Females

6150

F18-39

6150

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18820

Females

7445

F18-39

7445

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17744

Females

6986

F18-39

6986

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20857

Females

8571

F18-39

8571

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22207

Females

9262

F18-39

9262

Passing Analysis

Category:
Athletes Passed
852
Passed By
4536
Net Change
-3688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8442
5K → 10K153283-130#8442#8572
10K → 15K80377-297#8572#8869
15K → 20K96379-283#8869#9152
20K → Half1672-56#9152#9208
Half → 25K121253-132#9208#9340
25K → 30K150452-302#9340#9642
30K → 20M56276-221#9642#9863
20M → 21M58232-176#9863#10039
21M → 35K38170-133#10039#10172
35K → 23M33455-422#10172#10594
23M → 24M18427-409#10594#11003
24M → 40K17314-297#11003#11300
40K → 25.2M8241-233#11300#11533
25.2M → Finish8605-597#11533#12130
TOTALS8524536-3688
📊

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