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BOSTON MARATHON 2025

Rhiannon Peterson

Bib: 15671•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F40-44)
#0 / 1718
Top 8%
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
7:09/mi
22:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
44:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:06:42
↑ 67↓ 78
20K· 12.43 mi
7:14/mi
1:29:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:34:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:51:47
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:15:15
↑ 181↓ 1480.2%
20M
7:41/mi
2:25:41
↑ 64↓ 500.2%
21M
7:48/mi
2:33:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:38:56
↑ 17↓ 861.7%
23M
7:32/mi
2:48:22
↑ 23↓ 630.6%
24M
7:34/mi
2:55:56
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:02:26
↓ 200.3%
25.2M
8:19/mi
3:05:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:12:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:03
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:38:52
Pace7:33 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2122:127:0922:12
7:09
-
10K
6.21 mi11:17:2944:207:0822:08
7:07
-0:02
15K
9.32 mi11:39:511:06:427:0922:22
7:12
+0:05
20K
12.43 mi12:02:181:29:097:1022:27
7:14
+0:02
Half
13.11 mi12:07:121:34:037:104:54
7:11
-0:03
25K
15.53 mi12:24:561:51:477:1217:44
7:19
+0:08
30K
18.64 mi12:48:242:15:157:1523:28
7:33
+0:14
20M
20.00 mi12:58:502:25:417:1710:26
7:41
+0:08
21M
21.00 mi13:06:382:33:297:197:48
7:48
+0:07
35K
21.75 mi13:12:052:38:567:185:27
7:17
-0:31
23M
23.00 mi13:21:312:48:227:199:26
7:32
+0:15
24M
24.00 mi13:29:052:55:567:207:34
7:34
+0:02
40K
24.85 mi13:35:353:02:267:206:30
7:36
+0:02
25.2M
25.20 mi13:38:273:05:187:212:52
8:19
+0:43
Finish
26.22 mi13:46:043:12:557:227:37
7:28
-0:51

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

7:07 /mi

Average Pace

7:22 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:03

99% of race

Time at Steady Pace

2:52

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:55:2122:127:0922:12
7:09
#9038
10K
6.21 mi11:17:2944:207:0822:08
7:07
#8912
15K
9.32 mi11:39:511:06:427:0922:22
7:12
#8965
20K
12.43 mi12:02:181:29:097:1022:27
7:14
#8758
Half
13.11 mi12:07:121:34:037:104:54
7:11
#8749
25K
15.53 mi12:24:561:51:477:1217:44
7:19
#8646
30K
18.64 mi12:48:242:15:157:1523:28
7:33
#8470
20M
20.00 mi12:58:502:25:417:1710:26
7:41
#8413
21M
21.00 mi13:06:382:33:297:197:48
7:48
#8204
35K
21.75 mi13:12:052:38:567:185:27
7:17
#8114
23M
23.00 mi13:21:312:48:227:199:26
7:32
#7978
24M
24.00 mi13:29:052:55:567:207:34
7:34
#7959
40K
24.85 mi13:35:353:02:267:206:30
7:36
#7900
25.2M
25.20 mi13:38:273:05:187:212:52
8:19
#7869
Finish
26.22 mi13:46:043:12:557:227:37
7:28
#7868
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9038138313839125(Top 32%)1478(Top 12%)1478(Top 86%)
10K6.21 mi3.10 mi8912+1261350+331350+338879(Top 31%)1327(Top 11%)1327(Top 77%)
15K9.32 mi3.11 mi8965-531378-281378-289125(Top 32%)1478(Top 12%)1478(Top 86%)
20K12.43 mi3.11 mi8758+2071321+571321+578431(Top 30%)1284(Top 11%)1284(Top 75%)
Half13.11 mi0.68 mi8749+91322-11322-18982(Top 32%)1483(Top 12%)1483(Top 86%)
25K15.53 mi2.42 mi8646+1031296+261296+268481(Top 30%)1410(Top 12%)1410(Top 82%)
30K18.64 mi3.11 mi8470+1761288+81288+88115(Top 29%)1437(Top 12%)1437(Top 84%)
20M20.00 mi1.36 mi8413+571299-111299-118213(Top 29%)1617(Top 13%)1617(Top 94%)
21M21.00 mi1.00 mi8204+2091249+501249+506224(Top 22%)1002(Top 8%)1002(Top 58%)
35K21.75 mi0.75 mi8114+901236+131236+137173(Top 25%)1350(Top 11%)1350(Top 79%)
23M23.00 mi1.25 mi7978+1361233+31233+36843(Top 24%)1326(Top 11%)1326(Top 77%)
24M24.00 mi1.00 mi7959+191265-321265-328177(Top 29%)1931(Top 16%)1931(Top 112%)
40K24.85 mi0.85 mi7900+591270-51270-57453(Top 26%)1731(Top 14%)1731(Top 101%)
25.2M25.20 mi0.35 mi7869+311272-21272-27751(Top 27%)1940(Top 16%)1940(Top 113%)
Finish26.22 mi1.02 mi7868+11302-301302-309019(Top 32%)2537(Top 21%)2537(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9125

Females

1478

F40-44

1478

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8879

Females

1327

F40-44

1327

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9125

Females

1478

F40-44

1478

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8431

Females

1284

F40-44

1284

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8982

Females

1483

F40-44

1483

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8481

Females

1410

F40-44

1410

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8115

Females

1437

F40-44

1437

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8213

Females

1617

F40-44

1617

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6224

Females

1002

F40-44

1002

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

7173

Females

1350

F40-44

1350

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6843

Females

1326

F40-44

1326

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8177

Females

1931

F40-44

1931

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7453

Females

1731

F40-44

1731

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7751

Females

1940

F40-44

1940

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9019

Females

2537

F40-44

2537

Passing Analysis

Category:
Athletes Passed
2131
Passed By
961
Net Change
+1170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9038
5K → 10K280154+126#9038#8912
10K → 15K145198-53#8912#8965
15K → 20K26760+207#8965#8758
20K → Half3324+9#8758#8749
Half → 25K19289+103#8749#8646
25K → 30K294118+176#8646#8470
30K → 20M12467+57#8470#8413
20M → 21M2145+209#8413#8204
21M → 35K10919+90#8204#8114
35K → 23M17539+136#8114#7978
23M → 24M7859+19#7978#7959
24M → 40K9637+59#7959#7900
40K → 25.2M4918+31#7900#7869
25.2M → Finish7574+1#7869#7868
TOTALS2131961+1170
📊

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