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BOSTON MARATHON 2025

Sophie Fox

MO

Bib: 17733 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:47/mi
24:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:41/mi
48:05
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:32/mi
1:11:30
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:32/mi
1:34:53
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:29/mi
1:39:59
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:35/mi
1:58:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:40/mi
2:22:11
↑ 181↓ 1480.2%
138 ft elev
20M
7:46/mi
2:32:44
↑ 64↓ 500.2%
148 ft elev
21M
8:01/mi
2:40:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:18/mi
2:46:13
↑ 17↓ 861.7%
156 ft elev
23M
7:34/mi
2:55:42
↑ 23↓ 630.6%
116 ft elev
24M
7:17/mi
3:02:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:31/mi
3:09:25
↓ 200.3%
20 ft elev
25.2M
7:56/mi
3:12:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:02/mi
3:19:19
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:59
Pace7:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:20
Pace7:35 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1924:127:4724:12
7:47
-
10K
6.21 mi11:39:1248:057:4423:53
7:41
-0:06
15K
9.32 mi12:02:371:11:307:4023:25
7:32
-0:09
20K
12.43 mi12:26:001:34:537:3823:23
7:32
0:00
Half
13.11 mi12:31:061:39:597:385:06
7:29
-0:03
25K
15.53 mi12:49:281:58:217:3718:22
7:35
+0:06
30K
18.64 mi13:13:182:22:117:3823:50
7:40
+0:05
20M
20.00 mi13:23:512:32:447:3810:33
7:46
+0:06
21M
21.00 mi13:31:522:40:457:398:01
8:01
+0:15
35K
21.75 mi13:37:202:46:137:395:28
7:18
-0:43
23M
23.00 mi13:46:492:55:427:389:29
7:34
+0:16
24M
24.00 mi13:54:063:02:597:377:17
7:17
-0:17
40K
24.85 mi14:00:323:09:257:376:26
7:31
+0:14
25.2M
25.20 mi14:03:163:12:097:382:44
7:56
+0:25
Finish
26.22 mi14:10:263:19:197:367:10
7:02
-0:54

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

7:02 /mi

Average Pace

7:36 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:49

77% of race

Time at Steady Pace

45:30

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:15:1924:127:4724:12
7:47
#14714
10K
6.21 mi11:39:1248:057:4423:53
7:41
#14231
15K
9.32 mi12:02:371:11:307:4023:25
7:32
#13498
20K
12.43 mi12:26:001:34:537:3823:23
7:32
#12786
Half
13.11 mi12:31:061:39:597:385:06
7:29
#12722
25K
15.53 mi12:49:281:58:217:3718:22
7:35
#12350
30K
18.64 mi13:13:182:22:117:3823:50
7:40
#11657
20M
20.00 mi13:23:512:32:447:3810:33
7:46
#11379
21M
21.00 mi13:31:522:40:457:398:01
8:01
#11103
35K
21.75 mi13:37:202:46:137:395:28
7:18
#10943
23M
23.00 mi13:46:492:55:427:389:29
7:34
#10655
24M
24.00 mi13:54:063:02:597:377:17
7:17
#10430
40K
24.85 mi14:00:323:09:257:376:26
7:31
#10244
25.2M
25.20 mi14:03:163:12:097:382:44
7:56
#10144
Finish
26.22 mi14:10:263:19:197:367:10
7:02
#9937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147144351435112088(Top 43%)2946(Top 24%)2946(Top 54%)
10K6.21 mi3.10 mi14231+4834073+2784073+27813766(Top 48%)3809(Top 31%)3809(Top 70%)
15K9.32 mi3.11 mi13498+7333685+3883685+38812088(Top 43%)2946(Top 24%)2946(Top 54%)
20K12.43 mi3.11 mi12786+7123318+3673318+36711001(Top 39%)2473(Top 20%)2473(Top 45%)
Half13.11 mi0.68 mi12722+643289+293289+2911521(Top 41%)2680(Top 22%)2680(Top 49%)
25K15.53 mi2.42 mi12350+3723103+1863103+18610561(Top 37%)2352(Top 19%)2352(Top 43%)
30K18.64 mi3.11 mi11657+6932814+2892814+2899009(Top 32%)1844(Top 15%)1844(Top 34%)
20M20.00 mi1.36 mi11379+2782711+1032711+1038820(Top 31%)1901(Top 16%)1901(Top 35%)
21M21.00 mi1.00 mi11103+2762601+1102601+1107473(Top 26%)1507(Top 12%)1507(Top 28%)
35K21.75 mi0.75 mi10943+1602543+582543+587336(Top 26%)1437(Top 12%)1437(Top 26%)
23M23.00 mi1.25 mi10655+2882434+1092434+1097110(Top 25%)1454(Top 12%)1454(Top 27%)
24M24.00 mi1.00 mi10430+2252348+862348+866363(Top 22%)1221(Top 10%)1221(Top 22%)
40K24.85 mi0.85 mi10244+1862296+522296+526978(Top 25%)1549(Top 13%)1549(Top 28%)
25.2M25.20 mi0.35 mi10144+1002266+302266+305680(Top 20%)1143(Top 9%)1143(Top 21%)
Finish26.22 mi1.02 mi9937+2072190+762190+765993(Top 21%)1256(Top 10%)1256(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12088

Females

2946

F18-39

2946

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13766

Females

3809

F18-39

3809

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12088

Females

2946

F18-39

2946

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11001

Females

2473

F18-39

2473

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11521

Females

2680

F18-39

2680

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10561

Females

2352

F18-39

2352

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9009

Females

1844

F18-39

1844

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8820

Females

1901

F18-39

1901

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7473

Females

1507

F18-39

1507

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7336

Females

1437

F18-39

1437

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7110

Females

1454

F18-39

1454

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6363

Females

1221

F18-39

1221

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6978

Females

1549

F18-39

1549

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5680

Females

1143

F18-39

1143

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5993

Females

1256

F18-39

1256

Passing Analysis

Category:
Athletes Passed
4977*
Passed By
200
Net Change
+4777
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14714
5K → 10K589106+483#14714#14231
10K → 15K74411+733#14231#13498
15K → 20K7219+712#13498#12786
20K → Half7511+64#12786#12722
Half → 25K38715+372#12722#12350
25K → 30K7007+693#12350#11657
30K → 20M29012+278#11657#11379
20M → 21M2793+276#11379#11103
21M → 35K1622+160#11103#10943
35K → 23M2957+288#10943#10655
23M → 24M2327+225#10655#10430
24M → 40K1882+186#10430#10244
40K → 25.2M1011+100#10244#10144
25.2M → Finish214*7+207#10144#9937
TOTALS4977*200+4777

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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