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BOSTON MARATHON 2025

Danielle Fox

Bib: 23481•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 30%
Division (F50-54)
#0 / 1303
Top 22%
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
8:14/mi
25:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:16:12
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:41:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:47:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:07:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:31/mi
2:33:57
↑ 181↓ 1480.2%
20M
8:37/mi
2:45:40
↑ 64↓ 500.2%
21M
9:16/mi
2:54:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:01:18
↑ 17↓ 861.7%
23M
8:44/mi
3:12:14
↑ 23↓ 630.6%
24M
8:23/mi
3:20:37
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:27:51
↓ 200.3%
25.2M
9:05/mi
3:30:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:39:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:12
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:51:58
Pace8:32 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0725:348:1425:34
8:14
-
10K
6.21 mi11:47:2250:498:1125:15
8:08
-0:06
15K
9.32 mi12:12:451:16:128:1125:23
8:10
+0:02
20K
12.43 mi12:38:131:41:408:1125:28
8:12
+0:02
Half
13.11 mi12:43:451:47:128:115:32
8:07
-0:05
25K
15.53 mi13:04:012:07:288:1220:16
8:22
+0:15
30K
18.64 mi13:30:302:33:578:1626:29
8:31
+0:09
20M
20.00 mi13:42:132:45:408:1711:43
8:37
+0:06
21M
21.00 mi13:51:292:54:568:209:16
9:16
+0:39
35K
21.75 mi13:57:513:01:188:206:22
8:31
-0:45
23M
23.00 mi14:08:473:12:148:2110:56
8:44
+0:13
24M
24.00 mi14:17:103:20:378:228:23
8:23
-0:21
40K
24.85 mi14:24:243:27:518:227:14
8:28
+0:05
25.2M
25.20 mi14:27:323:30:598:223:08
9:05
+0:37
Finish
26.22 mi14:35:433:39:108:228:11
8:02
-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

8:02 /mi

Average Pace

8:22 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:46

94% of race

Time at Steady Pace

12:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:22 /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 mi11:22:0725:348:1425:34
8:14
#18294
10K
6.21 mi11:47:2250:498:1125:15
8:08
#17824
15K
9.32 mi12:12:451:16:128:1125:23
8:10
#17605
20K
12.43 mi12:38:131:41:408:1125:28
8:12
#17218
Half
13.11 mi12:43:451:47:128:115:32
8:07
#17179
25K
15.53 mi13:04:012:07:288:1220:16
8:22
#16990
30K
18.64 mi13:30:302:33:578:1626:29
8:31
#16580
20M
20.00 mi13:42:132:45:408:1711:43
8:37
#16386
21M
21.00 mi13:51:292:54:568:209:16
9:16
#16264
35K
21.75 mi13:57:513:01:188:206:22
8:31
#16211
23M
23.00 mi14:08:473:12:148:2110:56
8:44
#16070
24M
24.00 mi14:17:103:20:378:228:23
8:23
#15960
40K
24.85 mi14:24:243:27:518:227:14
8:28
#15834
25.2M
25.20 mi14:27:323:30:598:223:08
9:05
#15753
Finish
26.22 mi14:35:433:39:108:228:11
8:02
#15666
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi182946522652217205(Top 61%)5849(Top 48%)5849(Top 449%)
10K6.21 mi3.10 mi17824+4706222+3006222+30017403(Top 61%)5938(Top 49%)5938(Top 456%)
15K9.32 mi3.11 mi17605+2196081+1416081+14117205(Top 61%)5849(Top 48%)5849(Top 449%)
20K12.43 mi3.11 mi17218+3875869+2125869+21216294(Top 57%)5381(Top 44%)5381(Top 413%)
Half13.11 mi0.68 mi17179+395850+195850+1916712(Top 59%)5587(Top 46%)5587(Top 429%)
25K15.53 mi2.42 mi16990+1895755+955755+9516295(Top 57%)5479(Top 45%)5479(Top 420%)
30K18.64 mi3.11 mi16580+4105571+1845571+18414920(Top 53%)4861(Top 40%)4861(Top 373%)
20M20.00 mi1.36 mi16386+1945487+845487+8414586(Top 51%)4827(Top 39%)4827(Top 370%)
21M21.00 mi1.00 mi16264+1225448+395448+3914988(Top 53%)5171(Top 42%)5171(Top 397%)
35K21.75 mi0.75 mi16211+535437+115437+1115556(Top 55%)5546(Top 45%)5546(Top 426%)
23M23.00 mi1.25 mi16070+1415396+415396+4114748(Top 52%)5198(Top 43%)5198(Top 399%)
24M24.00 mi1.00 mi15960+1105357+395357+3913800(Top 49%)4723(Top 39%)4723(Top 362%)
40K24.85 mi0.85 mi15834+1265308+495308+4913225(Top 47%)4570(Top 37%)4570(Top 351%)
25.2M25.20 mi0.35 mi15753+815275+335275+3312397(Top 44%)4196(Top 34%)4196(Top 322%)
Finish26.22 mi1.02 mi15666+875249+265249+2613123(Top 46%)4511(Top 37%)4511(Top 346%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17205

Females

5849

F50-54

5849

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17403

Females

5938

F50-54

5938

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17205

Females

5849

F50-54

5849

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16294

Females

5381

F50-54

5381

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16712

Females

5587

F50-54

5587

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16295

Females

5479

F50-54

5479

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14920

Females

4861

F50-54

4861

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14586

Females

4827

F50-54

4827

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14988

Females

5171

F50-54

5171

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15556

Females

5546

F50-54

5546

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14748

Females

5198

F50-54

5198

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13800

Females

4723

F50-54

4723

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13225

Females

4570

F50-54

4570

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12397

Females

4196

F50-54

4196

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13123

Females

4511

F50-54

4511

Passing Analysis

Category:
Athletes Passed
3174
Passed By
546
Net Change
+2628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18294
5K → 10K573103+470#18294#17824
10K → 15K31293+219#17824#17605
15K → 20K41730+387#17605#17218
20K → Half5011+39#17218#17179
Half → 25K24960+189#17179#16990
25K → 30K45343+410#16990#16580
30K → 20M21925+194#16580#16386
20M → 21M16947+122#16386#16264
21M → 35K8734+53#16264#16211
35K → 23M18140+141#16211#16070
23M → 24M12919+110#16070#15960
24M → 40K14115+126#15960#15834
40K → 25.2M832+81#15834#15753
25.2M → Finish11124+87#15753#15666
TOTALS3174546+2628
📊

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