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BOSTON MARATHON 2023

Jennifer Forman

Bib: 15034•F

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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #11581
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
47:44
Rank: #11640 (-59)
5K → 10K
23:46 | 7:39/mi
15K· 9.32 mi
1:11:25
Rank: #11469 (+171)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:35:13
Rank: #11205 (+264)
15K → 20K
23:48 | 7:40/mi
Half· 13.11 mi
1:40:24
Rank: #11183 (+22)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:59:01
Rank: #10999 (+184)
Half → 25K
18:37 | 7:41/mi
30K· 18.64 mi
2:23:26
Rank: #10726 (+273)
25K → 30K
24:25 | 7:52/mi
20M
2:34:09
Rank: #10617 (+109)
30K → 20M
10:43 | 7:53/mi
21M
2:42:31
Rank: #10525 (+92)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:48:21
Rank: #10509 (+16)
21M → 35K
5:50 | 7:48/mi
23M
2:58:19
Rank: #10419 (+90)
35K → 23M
9:58 | 7:58/mi
24M
3:06:08
Rank: #10386 (+33)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:12:42
Rank: #10255 (+131)
24M → 40K
6:34 | 7:41/mi
25.2M
3:15:32
Rank: #10192 (+63)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:22:58
Rank: #10045 (+147)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:42:34
Pace7:49 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0723:587:4323:58
7:43
-
10K
6.21 mi11:17:5347:447:4123:46
7:39
-0:04
15K
9.32 mi11:41:341:11:257:4023:41
7:37
-0:02
20K
12.43 mi12:05:221:35:137:4023:48
7:40
+0:03
Half
13.11 mi12:10:331:40:247:405:11
7:36
-0:04
25K
15.53 mi12:29:101:59:017:4018:37
7:41
+0:05
30K
18.64 mi12:53:352:23:267:4224:25
7:52
+0:11
20M
20.00 mi13:04:182:34:097:4210:43
7:53
+0:01
21M
21.00 mi13:12:402:42:317:448:22
8:22
+0:29
35K
21.75 mi13:18:302:48:217:445:50
7:48
-0:34
23M
23.00 mi13:28:282:58:197:459:58
7:58
+0:10
24M
24.00 mi13:36:173:06:087:457:49
7:49
-0:09
40K
24.85 mi13:42:513:12:427:456:34
7:41
-0:08
25.2M
25.20 mi13:45:413:15:327:462:50
8:13
+0:32
Finish
26.22 mi13:53:073:22:587:457:26
7:18
-0:55

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

7:18 /mi

Average Pace

7:45 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:46

94% of race

Time at Steady Pace

11:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:54:0723:587:4323:58
7:43
#11581
10K
6.21 mi11:17:5347:447:4123:46
7:39
#11640
15K
9.32 mi11:41:341:11:257:4023:41
7:37
#11469
20K
12.43 mi12:05:221:35:137:4023:48
7:40
#11205
Half
13.11 mi12:10:331:40:247:405:11
7:36
#11183
25K
15.53 mi12:29:101:59:017:4018:37
7:41
#10999
30K
18.64 mi12:53:352:23:267:4224:25
7:52
#10726
20M
20.00 mi13:04:182:34:097:4210:43
7:53
#10617
21M
21.00 mi13:12:402:42:317:448:22
8:22
#10525
35K
21.75 mi13:18:302:48:217:445:50
7:48
#10509
23M
23.00 mi13:28:282:58:197:459:58
7:58
#10419
24M
24.00 mi13:36:173:06:087:457:49
7:49
#10386
40K
24.85 mi13:42:513:12:427:456:34
7:41
#10255
25.2M
25.20 mi13:45:413:15:327:462:50
8:13
#10192
Finish
26.22 mi13:53:073:22:587:457:26
7:18
#10045
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi115812627262711208(Top 42%)2463(Top 22%)2463(Top 50%)
10K6.21 mi3.10 mi11640-592671-442671-4411793(Top 44%)2752(Top 24%)2752(Top 56%)
15K9.32 mi3.11 mi11469+1712581+902581+9011208(Top 42%)2463(Top 22%)2463(Top 50%)
20K12.43 mi3.11 mi11205+2642436+1452436+14510605(Top 40%)2204(Top 19%)2204(Top 45%)
Half13.11 mi0.68 mi11183+222430+62430+611034(Top 41%)2376(Top 21%)2376(Top 49%)
25K15.53 mi2.42 mi10999+1842353+772353+7710147(Top 38%)2059(Top 18%)2059(Top 42%)
30K18.64 mi3.11 mi10726+2732264+892264+899825(Top 37%)2078(Top 18%)2078(Top 43%)
20M20.00 mi1.36 mi10617+1092237+272237+279488(Top 36%)2014(Top 18%)2014(Top 41%)
21M21.00 mi1.00 mi10525+922217+202217+209664(Top 36%)2220(Top 19%)2220(Top 45%)
35K21.75 mi0.75 mi10509+162220-32220-310653(Top 40%)2687(Top 24%)2687(Top 55%)
23M23.00 mi1.25 mi10419+902206+142206+149502(Top 36%)2267(Top 20%)2267(Top 46%)
24M24.00 mi1.00 mi10386+332216-102216-109943(Top 37%)2561(Top 22%)2561(Top 52%)
40K24.85 mi0.85 mi10255+1312176+402176+407882(Top 30%)1712(Top 15%)1712(Top 35%)
25.2M25.20 mi0.35 mi10192+632155+212155+217869(Top 30%)1781(Top 16%)1781(Top 36%)
Finish26.22 mi1.02 mi10045+1472116+392116+397141(Top 27%)1488(Top 13%)1488(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11208

Females

2463

F18-39

2463

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11793

Females

2752

F18-39

2752

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11208

Females

2463

F18-39

2463

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10605

Females

2204

F18-39

2204

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11034

Females

2376

F18-39

2376

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10147

Females

2059

F18-39

2059

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9825

Females

2078

F18-39

2078

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9488

Females

2014

F18-39

2014

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9664

Females

2220

F18-39

2220

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10653

Females

2687

F18-39

2687

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9502

Females

2267

F18-39

2267

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9943

Females

2561

F18-39

2561

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7882

Females

1712

F18-39

1712

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7869

Females

1781

F18-39

1781

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7141

Females

1488

F18-39

1488

Passing Analysis

Category:
Athletes Passed
2339*
Passed By
803
Net Change
+1536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11581
5K → 10K262321-59#11581#11640
10K → 15K282111+171#11640#11469
15K → 20K31450+264#11469#11205
20K → Half3715+22#11205#11183
Half → 25K21834+184#11183#10999
25K → 30K33461+273#10999#10726
30K → 20M137*28+109#10726#10617
20M → 21M12230+92#10617#10525
21M → 35K5438+16#10525#10509
35K → 23M12737+90#10509#10419
23M → 24M7441+33#10419#10386
24M → 40K14817+131#10386#10255
40K → 25.2M69*6+63#10255#10192
25.2M → Finish16114+147#10192#10045
TOTALS2339*803+1536

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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