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BOSTON MARATHON 2025

Jennifer Oxton

Bib: 30415•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:00/mi
31:05
↑ 97↓ 3451.5%
10K· 6.21 mi
9:50/mi
1:01:38
↑ 79↓ 1380.4%
15K· 9.32 mi
10:48/mi
1:35:11
↑ 67↓ 78
20K· 12.43 mi
10:47/mi
2:08:42
↑ 106↓ 860.1%
Half· 13.11 mi
10:41/mi
2:15:59
↑ 19↓ 370.5%
25K· 15.53 mi
11:37/mi
2:44:08
↑ 66↓ 880.2%
30K· 18.64 mi
12:22/mi
3:22:32
↑ 181↓ 1480.2%
20M
11:43/mi
3:38:27
↑ 64↓ 500.2%
21M
12:37/mi
3:51:04
↑ 106↓ 241.6%
35K· 21.75 mi
11:12/mi
3:59:27
↑ 17↓ 861.7%
23M
11:07/mi
4:13:22
↑ 23↓ 630.6%
24M
11:26/mi
4:24:48
↓ 821.3%
40K· 24.85 mi
11:31/mi
4:34:39
↓ 200.3%
25.2M
12:14/mi
4:38:52
↑ 13↓ 160.2%
Finish· 26.22 mi
10:46/mi
4:49:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:59
Pace10:22 /mi
2nd Half
Distance13.11 mi
Time2:33:51
Pace11:44 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3631:0510:0031:05
10:00
-
10K
6.21 mi12:23:091:01:389:5530:33
9:50
-0:10
15K
9.32 mi12:56:421:35:1110:1333:33
10:48
+0:58
20K
12.43 mi13:30:132:08:4210:2133:31
10:47
-0:01
Half
13.11 mi13:37:302:15:5910:227:17
10:41
-0:06
25K
15.53 mi14:05:392:44:0810:3428:09
11:37
+0:56
30K
18.64 mi14:44:033:22:3210:5238:24
12:22
+0:45
20M
20.00 mi14:59:583:38:2710:5515:55
11:43
-0:39
21M
21.00 mi15:12:353:51:0411:0012:37
12:37
+0:54
35K
21.75 mi15:20:583:59:2711:018:23
11:12
-1:25
23M
23.00 mi15:34:534:13:2211:0113:55
11:07
-0:05
24M
24.00 mi15:46:194:24:4811:0211:26
11:26
+0:19
40K
24.85 mi15:56:104:34:3911:039:51
11:31
+0:05
25.2M
25.20 mi16:00:234:38:5211:044:13
12:14
+0:43
Finish
26.22 mi16:11:214:49:5011:0410:58
10:46
-1:28

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

9:50 /mi

Average Pace

11:04 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:57

51% of race

Time at Steady Pace

43:35

15% of race

Time at Slower Pace

1:39:18

34% of race

Average Pace: 11:03 /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 mi11:52:3631:0510:0031:05
10:00
#25582
10K
6.21 mi12:23:091:01:389:5530:33
9:50
#25230
15K
9.32 mi12:56:421:35:1110:1333:33
10:48
#25739
20K
12.43 mi13:30:132:08:4210:2133:31
10:47
#25705
Half
13.11 mi13:37:302:15:5910:227:17
10:41
#25724
25K
15.53 mi14:05:392:44:0810:3428:09
11:37
#25808
30K
18.64 mi14:44:033:22:3210:5238:24
12:22
#25855
20M
20.00 mi14:59:583:38:2710:5515:55
11:43
#25775
21M
21.00 mi15:12:353:51:0411:0012:37
12:37
#25734
35K
21.75 mi15:20:583:59:2711:018:23
11:12
#25697
23M
23.00 mi15:34:534:13:2211:0113:55
11:07
#25613
24M
24.00 mi15:46:194:24:4811:0211:26
11:26
#25584
40K
24.85 mi15:56:104:34:3911:039:51
11:31
#25536
25.2M
25.20 mi16:00:234:38:5211:044:13
12:14
#25513
Finish
26.22 mi16:11:214:49:5011:0410:58
10:46
#25502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25582105291052926406(Top 93%)11007(Top 90%)11007(Top 201%)
10K6.21 mi3.10 mi25230+35210355+17410355+17424939(Top 88%)10205(Top 83%)10205(Top 187%)
15K9.32 mi3.11 mi25739-50910634-27910634-27926406(Top 93%)11007(Top 90%)11007(Top 201%)
20K12.43 mi3.11 mi25705+3410619+1510619+1525688(Top 90%)10633(Top 87%)10633(Top 194%)
Half13.11 mi0.68 mi25724-1910628-910628-926045(Top 92%)10847(Top 89%)10847(Top 198%)
25K15.53 mi2.42 mi25808-8410696-6810696-6825983(Top 91%)10855(Top 89%)10855(Top 198%)
30K18.64 mi3.11 mi25855-4710744-4810744-4826010(Top 92%)10947(Top 90%)10947(Top 200%)
20M20.00 mi1.36 mi25775+8010722+2210722+2224858(Top 88%)10399(Top 85%)10399(Top 190%)
21M21.00 mi1.00 mi25734+4110710+1210710+1224539(Top 86%)10314(Top 84%)10314(Top 189%)
35K21.75 mi0.75 mi25697+3710695+1510695+1524607(Top 87%)10389(Top 85%)10389(Top 190%)
23M23.00 mi1.25 mi25613+8410664+3110664+3123472(Top 83%)9838(Top 80%)9838(Top 180%)
24M24.00 mi1.00 mi25584+2910660+410660+424761(Top 87%)10522(Top 86%)10522(Top 192%)
40K24.85 mi0.85 mi25536+4810647+1310647+1324156(Top 85%)10247(Top 84%)10247(Top 187%)
25.2M25.20 mi0.35 mi25513+2310642+510642+523611(Top 83%)9988(Top 82%)9988(Top 183%)
Finish26.22 mi1.02 mi25502+1110641+110641+124847(Top 87%)10588(Top 87%)10588(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26406

Females

11007

F18-39

11007

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

24939

Females

10205

F18-39

10205

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26406

Females

11007

F18-39

11007

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25688

Females

10633

F18-39

10633

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26045

Females

10847

F18-39

10847

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25983

Females

10855

F18-39

10855

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26010

Females

10947

F18-39

10947

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

24858

Females

10399

F18-39

10399

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24539

Females

10314

F18-39

10314

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24607

Females

10389

F18-39

10389

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23472

Females

9838

F18-39

9838

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24761

Females

10522

F18-39

10522

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24156

Females

10247

F18-39

10247

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23611

Females

9988

F18-39

9988

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24847

Females

10588

F18-39

10588

Passing Analysis

Category:
Athletes Passed
1226
Passed By
1146
Net Change
+80
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25582
5K → 10K40250+352#25582#25230
10K → 15K28537-509#25230#25739
15K → 20K139105+34#25739#25705
20K → Half1130-19#25705#25724
Half → 25K73157-84#25724#25808
25K → 30K89136-47#25808#25855
30K → 20M9313+80#25855#25775
20M → 21M6625+41#25775#25734
21M → 35K5518+37#25734#25697
35K → 23M9511+84#25697#25613
23M → 24M4718+29#25613#25584
24M → 40K6012+48#25584#25536
40K → 25.2M3310+23#25536#25513
25.2M → Finish3524+11#25513#25502
TOTALS12261146+80
📊

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