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BOSTON MARATHON 2025

Mary Baxter Reid

Bib: 13532•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 42%
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
7:48/mi
24:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:25
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:36:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:41:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
2:00:29
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:25:09
↑ 181↓ 1480.2%
20M
8:02/mi
2:36:04
↑ 64↓ 500.2%
21M
8:18/mi
2:44:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:50:09
↑ 17↓ 861.7%
23M
7:56/mi
3:00:05
↑ 23↓ 630.6%
24M
7:33/mi
3:07:38
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:14:13
↓ 200.3%
25.2M
8:25/mi
3:17:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:24:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:38
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5624:137:4824:13
7:48
-
10K
6.21 mi11:18:0148:187:4624:05
7:45
-0:03
15K
9.32 mi11:42:081:12:257:4624:07
7:46
+0:01
20K
12.43 mi12:06:091:36:267:4624:01
7:44
-0:02
Half
13.11 mi12:11:211:41:387:455:12
7:37
-0:07
25K
15.53 mi12:30:122:00:297:4518:51
7:46
+0:09
30K
18.64 mi12:54:522:25:097:4724:40
7:56
+0:10
20M
20.00 mi13:05:472:36:047:4810:55
8:02
+0:06
21M
21.00 mi13:14:052:44:227:508:18
8:18
+0:16
35K
21.75 mi13:19:522:50:097:495:47
7:44
-0:34
23M
23.00 mi13:29:483:00:057:509:56
7:56
+0:12
24M
24.00 mi13:37:213:07:387:497:33
7:33
-0:23
40K
24.85 mi13:43:563:14:137:496:35
7:42
+0:09
25.2M
25.20 mi13:46:503:17:077:492:54
8:25
+0:43
Finish
26.22 mi13:54:193:24:367:497:29
7:21
-1:04

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

7:21 /mi

Average Pace

7:49 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:24

95% of race

Time at Steady Pace

11:12

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:53:5624:137:4824:13
7:48
#14767
10K
6.21 mi11:18:0148:187:4624:05
7:45
#14522
15K
9.32 mi11:42:081:12:257:4624:07
7:46
#14368
20K
12.43 mi12:06:091:36:267:4624:01
7:44
#13901
Half
13.11 mi12:11:211:41:387:455:12
7:37
#13821
25K
15.53 mi12:30:122:00:297:4518:51
7:46
#13492
30K
18.64 mi12:54:522:25:097:4724:40
7:56
#12964
20M
20.00 mi13:05:472:36:047:4810:55
8:02
#12757
21M
21.00 mi13:14:052:44:227:508:18
8:18
#12509
35K
21.75 mi13:19:522:50:097:495:47
7:44
#12407
23M
23.00 mi13:29:483:00:057:509:56
7:56
#12205
24M
24.00 mi13:37:213:07:387:497:33
7:33
#11986
40K
24.85 mi13:43:563:14:137:496:35
7:42
#11803
25.2M
25.20 mi13:46:503:17:077:492:54
8:25
#11740
Finish
26.22 mi13:54:193:24:367:497:29
7:21
#11542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147674388438814041(Top 49%)4033(Top 33%)4033(Top 74%)
10K6.21 mi3.10 mi14522+2454248+1404248+14014350(Top 51%)4162(Top 34%)4162(Top 76%)
15K9.32 mi3.11 mi14368+1544181+674181+6714041(Top 49%)4033(Top 33%)4033(Top 74%)
20K12.43 mi3.11 mi13901+4673950+2313950+23112666(Top 45%)3361(Top 27%)3361(Top 61%)
Half13.11 mi0.68 mi13821+803919+313919+3112793(Top 45%)3372(Top 28%)3372(Top 62%)
25K15.53 mi2.42 mi13492+3293769+1503769+15012143(Top 43%)3185(Top 26%)3185(Top 58%)
30K18.64 mi3.11 mi12964+5283530+2393530+23910968(Top 39%)2769(Top 23%)2769(Top 51%)
20M20.00 mi1.36 mi12757+2073450+803450+8010690(Top 38%)2783(Top 23%)2783(Top 51%)
21M21.00 mi1.00 mi12509+2483345+1053345+1059258(Top 33%)2282(Top 19%)2282(Top 42%)
35K21.75 mi0.75 mi12407+1023316+293316+2910354(Top 36%)2779(Top 23%)2779(Top 51%)
23M23.00 mi1.25 mi12205+2023243+733243+739569(Top 34%)2535(Top 21%)2535(Top 46%)
24M24.00 mi1.00 mi11986+2193166+773166+778093(Top 28%)1914(Top 16%)1914(Top 35%)
40K24.85 mi0.85 mi11803+1833102+643102+648136(Top 29%)2063(Top 17%)2063(Top 38%)
25.2M25.20 mi0.35 mi11740+633085+173085+178366(Top 29%)2246(Top 18%)2246(Top 41%)
Finish26.22 mi1.02 mi11542+1983029+563029+568115(Top 29%)2123(Top 17%)2123(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

14041

Females

4033

F18-39

4033

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14350

Females

4162

F18-39

4162

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

14041

Females

4033

F18-39

4033

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12666

Females

3361

F18-39

3361

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12793

Females

3372

F18-39

3372

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12143

Females

3185

F18-39

3185

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10968

Females

2769

F18-39

2769

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10690

Females

2783

F18-39

2783

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9258

Females

2282

F18-39

2282

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10354

Females

2779

F18-39

2779

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9569

Females

2535

F18-39

2535

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

8093

Females

1914

F18-39

1914

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8136

Females

2063

F18-39

2063

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8366

Females

2246

F18-39

2246

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8115

Females

2123

F18-39

2123

Passing Analysis

Category:
Athletes Passed
3725
Passed By
500
Net Change
+3225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14767
5K → 10K431186+245#14767#14522
10K → 15K276122+154#14522#14368
15K → 20K48821+467#14368#13901
20K → Half855+80#13901#13821
Half → 25K36031+329#13821#13492
25K → 30K56234+528#13492#12964
30K → 20M23326+207#12964#12757
20M → 21M2568+248#12757#12509
21M → 35K11715+102#12509#12407
35K → 23M21917+202#12407#12205
23M → 24M2223+219#12205#11986
24M → 40K1929+183#11986#11803
40K → 25.2M729+63#11803#11740
25.2M → Finish21214+198#11740#11542
TOTALS3725500+3225
📊

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