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BOSTON MARATHON 2023

Julia Ginder

Bib: 25452•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:03
Rank: #23428
Start → 5K
31:03 | 10:00/mi
10K· 6.21 mi
1:01:49
Rank: #23516 (-88)
5K → 10K
30:46 | 9:54/mi
15K· 9.32 mi
1:35:08
Rank: #24026 (-510)
10K → 15K
33:19 | 10:43/mi
20K· 12.43 mi
2:10:46
Rank: #24459 (-433)
15K → 20K
35:38 | 11:28/mi
Half· 13.11 mi
2:18:04
Rank: #24463 (-4)
20K → Half
7:18 | 10:42/mi
25K· 15.53 mi
2:57:49
Rank: #25549 (-1086)
Half → 25K
39:45 | 16:24/mi
30K· 18.64 mi
3:37:20
Rank: #25483 (+66)
25K → 30K
39:31 | 12:43/mi
20M
3:57:17
Rank: #25595 (-112)
30K → 20M
19:57 | 14:41/mi
21M
4:11:15
Rank: #25570 (+25)
20M → 21M
13:58 | 13:58/mi
35K· 21.75 mi
4:20:02
Rank: #25543 (+27)
21M → 35K
8:47 | 11:44/mi
23M
4:34:00
Rank: #25432 (+111)
35K → 23M
13:58 | 11:09/mi
24M
4:44:36
Rank: #25349 (+83)
23M → 24M
10:36 | 10:36/mi
40K· 24.85 mi
4:54:11
Rank: #25283 (+66)
24M → 40K
9:35 | 11:13/mi
25.2M
4:58:35
Rank: #25258 (+25)
40K → 25.2M
4:24 | 12:46/mi
Finish· 26.22 mi
5:08:06
Rank: #25164 (+94)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:04
Pace10:32 /mi
2nd Half
Distance13.11 mi
Time2:50:02
Pace12:58 /mi
📊Positive Split: 23.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4031:0310:0031:03
10:00
-
10K
6.21 mi12:18:261:01:499:5730:46
9:54
-0:06
15K
9.32 mi12:51:451:35:0810:1233:19
10:43
+0:49
20K
12.43 mi13:27:232:10:4610:3135:38
11:28
+0:45
Half
13.11 mi13:34:412:18:0410:327:18
10:42
-0:46
25K
15.53 mi14:14:262:57:4911:2739:45
16:24
+5:42
30K
18.64 mi14:53:573:37:2011:4039:31
12:43
-3:41
20M
20.00 mi15:13:543:57:1711:5219:57
14:41
+1:58
21M
21.00 mi15:27:524:11:1511:5813:58
13:58
-0:43
35K
21.75 mi15:36:394:20:0211:578:47
11:44
-2:14
23M
23.00 mi15:50:374:34:0011:5513:58
11:09
-0:35
24M
24.00 mi16:01:134:44:3611:5210:36
10:36
-0:33
40K
24.85 mi16:10:484:54:1111:509:35
11:13
+0:37
25.2M
25.20 mi16:15:124:58:3511:514:24
12:46
+1:33
Finish
26.22 mi16:24:435:08:0611:469:31
9:20
-3:26

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

9:20 /mi

Average Pace

11:46 /mi

Slowest Pace

16:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:20

23% of race

Time at Steady Pace

1:59:11

39% of race

Time at Slower Pace

1:57:35

38% of race

Average Pace: 11:45 /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 mi11:47:4031:0310:0031:03
10:00
#23428
10K
6.21 mi12:18:261:01:499:5730:46
9:54
#23516
15K
9.32 mi12:51:451:35:0810:1233:19
10:43
#24026
20K
12.43 mi13:27:232:10:4610:3135:38
11:28
#24459
Half
13.11 mi13:34:412:18:0410:327:18
10:42
#24463
25K
15.53 mi14:14:262:57:4911:2739:45
16:24
#25549
30K
18.64 mi14:53:573:37:2011:4039:31
12:43
#25483
20M
20.00 mi15:13:543:57:1711:5219:57
14:41
#25595
21M
21.00 mi15:27:524:11:1511:5813:58
13:58
#25570
35K
21.75 mi15:36:394:20:0211:578:47
11:44
#25543
23M
23.00 mi15:50:374:34:0011:5513:58
11:09
#25432
24M
24.00 mi16:01:134:44:3611:5210:36
10:36
#25349
40K
24.85 mi16:10:484:54:1111:509:35
11:13
#25283
25.2M
25.20 mi16:15:124:58:3511:514:24
12:46
#25258
Finish
26.22 mi16:24:435:08:0611:469:31
9:20
#25164
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi234289621962124837(Top 93%)10377(Top 91%)10377(Top 212%)
10K6.21 mi3.10 mi23516-889632-119632-1123499(Top 88%)9626(Top 84%)9626(Top 197%)
15K9.32 mi3.11 mi24026-5109906-2749906-27424837(Top 93%)10377(Top 91%)10377(Top 212%)
20K12.43 mi3.11 mi24459-43310147-24110147-24125209(Top 95%)10605(Top 93%)10605(Top 217%)
Half13.11 mi0.68 mi24463-410158-1110158-1124539(Top 92%)10236(Top 90%)10236(Top 210%)
25K15.53 mi2.42 mi25549-108610786-62810786-62826612(Top 100%)11417(Top 100%)11417(Top 234%)
30K18.64 mi3.11 mi25483+6610767+1910767+1925185(Top 95%)10671(Top 93%)10671(Top 218%)
20M20.00 mi1.36 mi25595-11210831-6410831-6426181(Top 98%)11217(Top 98%)11217(Top 230%)
21M21.00 mi1.00 mi25570+2510824+710824+725021(Top 94%)10619(Top 93%)10619(Top 217%)
35K21.75 mi0.75 mi25543+2710812+1210812+1224418(Top 92%)10351(Top 91%)10351(Top 212%)
23M23.00 mi1.25 mi25432+11110757+5510757+5522663(Top 85%)9414(Top 82%)9414(Top 193%)
24M24.00 mi1.00 mi25349+8310715+4210715+4222248(Top 84%)9242(Top 81%)9242(Top 189%)
40K24.85 mi0.85 mi25283+6610681+3410681+3422769(Top 86%)9538(Top 83%)9538(Top 195%)
25.2M25.20 mi0.35 mi25258+2510670+1110670+1123690(Top 89%)10036(Top 88%)10036(Top 205%)
Finish26.22 mi1.02 mi25164+9410622+4810622+4819561(Top 73%)7772(Top 68%)7772(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24837

Females

10377

F18-39

10377

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23499

Females

9626

F18-39

9626

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24837

Females

10377

F18-39

10377

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25209

Females

10605

F18-39

10605

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24539

Females

10236

F18-39

10236

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

26612

Females

11417

F18-39

11417

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25185

Females

10671

F18-39

10671

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26181

Females

11217

F18-39

11217

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

25021

Females

10619

F18-39

10619

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24418

Females

10351

F18-39

10351

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22663

Females

9414

F18-39

9414

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22248

Females

9242

F18-39

9242

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22769

Females

9538

F18-39

9538

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23690

Females

10036

F18-39

10036

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19561

Females

7772

F18-39

7772

Passing Analysis

Category:
Athletes Passed
789
Passed By
2525
Net Change
-1736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23428
5K → 10K171259-88#23428#23516
10K → 15K12522-510#23516#24026
15K → 20K24457-433#24026#24459
20K → Half2226-4#24459#24463
Half → 25K21088-1086#24463#25549
25K → 30K9832+66#25549#25483
30K → 20M6118-112#25483#25595
20M → 21M4318+25#25595#25570
21M → 35K314+27#25570#25543
35K → 23M1110+111#25543#25432
23M → 24M830+83#25432#25349
24M → 40K671+66#25349#25283
40K → 25.2M250+25#25283#25258
25.2M → Finish940+94#25258#25164
TOTALS7892525-1736
📊

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