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BOSTON MARATHON 2026

Jenna Fox

Bib: 15572•F

BC

0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Division (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast 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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
48:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:13:48
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:40:38
↑ 106↓ 860.1%
HALF· 13.11 mi
7:56/mi
1:46:02
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:05:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:31:24
↑ 181↓ 1480.2%
20M
8:23/mi
2:42:47
↑ 64↓ 500.2%
21M
8:56/mi
2:51:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:02/mi
2:57:43
↑ 17↓ 861.7%
23M
8:21/mi
3:08:09
↑ 23↓ 630.6%
24M
7:54/mi
3:16:03
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:22:49
↓ 200.3%
25.2M
8:37/mi
3:25:47
↑ 13↓ 160.2%
FINISH· 26.22 mi
7:17/mi
3:33:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time1:46:02
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:10
Pace8:11 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2623:547:4223:54
7:42
-
10K
6.21 mi11:21:2848:567:5325:02
8:04
+0:22
15K
9.32 mi11:46:201:13:487:5624:52
8:01
-0:03
20K
12.43 mi12:13:101:40:388:0626:50
8:39
+0:38
HALF
13.11 mi12:18:341:46:028:065:24
7:56
-0:43
25K
15.53 mi12:38:002:05:288:0519:26
8:01
+0:05
30K
18.64 mi13:03:562:31:248:0825:56
8:21
+0:20
20M
20.00 mi13:15:192:42:478:0911:23
8:23
+0:02
21M
21.00 mi13:24:152:51:438:118:56
8:56
+0:33
35K
21.75 mi13:30:152:57:438:116:00
8:02
-0:54
23M
23.00 mi13:40:413:08:098:1110:26
8:21
+0:19
24M
24.00 mi13:48:353:16:038:117:54
7:54
-0:27
40K
24.85 mi13:55:213:22:498:106:46
7:55
+0:01
25.2M
25.20 mi13:58:193:25:478:102:58
8:37
+0:42
FINISH
26.22 mi14:05:443:33:128:097:25
7:17
-1:20

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

7:17 /mi

Average Pace

8:08 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:19

15% of race

Time at Steady Pace

1:35:24

45% of race

Time at Slower Pace

1:26:29

41% of race

Average Pace: 8:08 /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 mi10:56:2623:547:4223:54
7:42
#14502
10K
6.21 mi11:21:2848:567:5325:02
8:04
#16101
15K
9.32 mi11:46:201:13:487:5624:52
8:01
#16421
20K
12.43 mi12:13:101:40:388:0626:50
8:39
#17502
HALF
13.11 mi12:18:341:46:028:065:24
7:56
#17460
25K
15.53 mi12:38:002:05:288:0519:26
8:01
#17125
30K
18.64 mi13:03:562:31:248:0825:56
8:21
#16853
20M
20.00 mi13:15:192:42:478:0911:23
8:23
#16742
21M
21.00 mi13:24:152:51:438:118:56
8:56
#16649
35K
21.75 mi13:30:152:57:438:116:00
8:02
#16545
23M
23.00 mi13:40:413:08:098:1110:26
8:21
#16399
24M
24.00 mi13:48:353:16:038:117:54
7:54
#16236
40K
24.85 mi13:55:213:22:498:106:46
7:55
#16068
25.2M
25.20 mi13:58:193:25:478:102:58
8:37
#15995
FINISH
26.22 mi14:05:443:33:128:097:25
7:17
#15774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145024369436917062(Top 59%)5942(Top 47%)5942(Top 104%)
10K6.21 mi3.10 mi16101-15995401-10325401-103217673(Top 61%)6302(Top 50%)6302(Top 110%)
15K9.32 mi3.11 mi16421-3205596-1955596-19517062(Top 59%)5942(Top 47%)5942(Top 104%)
20K12.43 mi3.11 mi17502-10816213-6176213-61720077(Top 69%)7668(Top 61%)7668(Top 134%)
HALF13.11 mi0.68 mi17460+426190+236190+2316577(Top 57%)5669(Top 45%)5669(Top 99%)
25K15.53 mi2.42 mi17125+3356009+1816009+18115538(Top 54%)5161(Top 41%)5161(Top 90%)
30K18.64 mi3.11 mi16853+2725884+1255884+12515940(Top 55%)5485(Top 44%)5485(Top 96%)
20M20.00 mi1.36 mi16742+1115835+495835+4915455(Top 53%)5333(Top 42%)5333(Top 93%)
21M21.00 mi1.00 mi16649+935795+405795+4015793(Top 54%)5568(Top 44%)5568(Top 97%)
35K21.75 mi0.75 mi16545+1045747+485747+4814677(Top 51%)5014(Top 40%)5014(Top 88%)
23M23.00 mi1.25 mi16399+1465705+425705+4214721(Top 51%)5127(Top 41%)5127(Top 90%)
24M24.00 mi1.00 mi16236+1635635+705635+7013072(Top 45%)4300(Top 34%)4300(Top 75%)
40K24.85 mi0.85 mi16068+1685553+825553+8211951(Top 41%)3772(Top 30%)3772(Top 66%)
25.2M25.20 mi0.35 mi15995+735524+295524+2912407(Top 43%)4083(Top 32%)4083(Top 71%)
FINISH26.22 mi1.02 mi15774+2215417+1075417+1079775(Top 34%)2751(Top 22%)2751(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

17062

Females

5942

F18-39

5942

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17673

Females

6302

F18-39

6302

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

17062

Females

5942

F18-39

5942

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

20077

Females

7668

F18-39

7668

20K→HALF

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16577

Females

5669

F18-39

5669

HALF→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15538

Females

5161

F18-39

5161

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15940

Females

5485

F18-39

5485

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15455

Females

5333

F18-39

5333

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15793

Females

5568

F18-39

5568

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14677

Females

5014

F18-39

5014

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14721

Females

5127

F18-39

5127

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

13072

Females

4300

F18-39

4300

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11951

Females

3772

F18-39

3772

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12407

Females

4083

F18-39

4083

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9775

Females

2751

F18-39

2751

Passing Analysis

Category:
Athletes Passed
2102
Passed By
3374
Net Change
-1272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14502
5K → 10K291628-1599#14502#16101
10K → 15K100420-320#16101#16421
15K → 20K231104-1081#16421#17502
20K → HALF5816+42#17502#17460
HALF → 25K34712+335#17460#17125
25K → 30K33866+272#17125#16853
30K → 20M13928+111#16853#16742
20M → 21M13845+93#16742#16649
21M → 35K11612+104#16649#16545
35K → 23M16822+146#16545#16399
23M → 24M1718+163#16399#16236
24M → 40K17810+168#16236#16068
40K → 25.2M763+73#16068#15995
25.2M → FINISH2210+221#15995#15774
TOTALS21023374-1272
📊

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