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BOSTON MARATHON 2023

Julia Tolman

Bib: 26639•F

MA

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
33:11
Rank: #25142
Start → 5K
10:41/mi
33:11 split
10K· 6.21 mi
1:06:33
Rank: #25107 (+35)
5K → 10K
10:44/mi
33:22 split
15K· 9.32 mi
1:42:53
Rank: #25497 (-390)
10K → 15K
11:42/mi
36:20 split
20K· 12.43 mi
2:21:19
Rank: #25669 (-172)
15K → 20K
12:22/mi
38:26 split
Half· 13.11 mi
2:29:11
Rank: #25663 (+6)
20K → Half
11:32/mi
7:52 split
25K· 15.53 mi
3:00:50
Rank: #25740 (-77)
Half → 25K
13:03/mi
31:39 split
30K· 18.64 mi
3:42:38
Rank: #25741 (-1)
25K → 30K
13:27/mi
41:48 split
20M
4:03:02
Rank: #25815 (-74)
30K → 20M
15:01/mi
20:24 split
21M
4:18:30
Rank: #25839 (-24)
20M → 21M
15:28/mi
15:28 split
35K· 21.75 mi
4:29:30
Rank: #25879 (-40)
21M → 35K
14:42/mi
11:00 split
23M
4:45:55
Rank: #25860 (+19)
35K → 23M
13:07/mi
16:25 split
24M
4:59:26
Rank: #25856 (+4)
23M → 24M
13:31/mi
13:31 split
40K· 24.85 mi
5:11:33
Rank: #25873 (-17)
24M → 40K
14:10/mi
12:07 split
25.2M
5:16:56
Rank: #25879 (-6)
40K → 25.2M
15:37/mi
5:23 split
Finish· 26.22 mi
5:29:30
Rank: #25873 (+6)
25.2M → Finish
12:20/mi
12:34 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:29:11
Pace11:23 /mi
2nd Half
Distance13.11 mi
Time3:00:19
Pace13:45 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0833:1110:4133:11
10:41
-
10K
6.21 mi12:23:301:06:3310:4333:22
10:44
+0:03
15K
9.32 mi12:59:501:42:5311:0236:20
11:42
+0:58
20K
12.43 mi13:38:162:21:1911:2238:26
12:22
+0:40
Half
13.11 mi13:46:082:29:1111:237:52
11:32
-0:50
25K
15.53 mi14:17:473:00:5011:3831:39
13:03
+1:31
30K
18.64 mi14:59:353:42:3811:5741:48
13:27
+0:24
20M
20.00 mi15:19:594:03:0212:0920:24
15:01
+1:34
21M
21.00 mi15:35:274:18:3012:1915:28
15:28
+0:27
35K
21.75 mi15:46:274:29:3012:2411:00
14:42
-0:46
23M
23.00 mi16:02:524:45:5512:2616:25
13:07
-1:35
24M
24.00 mi16:16:234:59:2612:2913:31
13:31
+0:24
40K
24.85 mi16:28:305:11:3312:3212:07
14:10
+0:39
25.2M
25.20 mi16:33:535:16:5612:355:23
15:37
+1:27
Finish
26.22 mi16:46:275:29:3012:3512:34
12:20
-3:17

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

10:41 /mi

Average Pace

12:35 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:19

37% of race

Time at Steady Pace

2:21:49

43% of race

Time at Slower Pace

1:04:22

20% of race

Average Pace: 12:34 /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 mi11:50:0833:1110:4133:11
10:41
#25142
10K
6.21 mi12:23:301:06:3310:4333:22
10:44
#25107
15K
9.32 mi12:59:501:42:5311:0236:20
11:42
#25497
20K
12.43 mi13:38:162:21:1911:2238:26
12:22
#25669
Half
13.11 mi13:46:082:29:1111:237:52
11:32
#25663
25K
15.53 mi14:17:473:00:5011:3831:39
13:03
#25740
30K
18.64 mi14:59:353:42:3811:5741:48
13:27
#25741
20M
20.00 mi15:19:594:03:0212:0920:24
15:01
#25815
21M
21.00 mi15:35:274:18:3012:1915:28
15:28
#25839
35K
21.75 mi15:46:274:29:3012:2411:00
14:42
#25879
23M
23.00 mi16:02:524:45:5512:2616:25
13:07
#25860
24M
24.00 mi16:16:234:59:2612:2913:31
13:31
#25856
40K
24.85 mi16:28:305:11:3312:3212:07
14:10
#25873
25.2M
25.20 mi16:33:535:16:5612:355:23
15:37
#25879
Finish
26.22 mi16:46:275:29:3012:3512:34
12:20
#25873
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25142105171051725867(Top 97%)10962(Top 96%)10962(Top 224%)
10K6.21 mi3.10 mi25107+3510496+2110496+2125074(Top 94%)10485(Top 92%)10485(Top 215%)
15K9.32 mi3.11 mi25497-39010737-24110737-24125867(Top 97%)10962(Top 96%)10962(Top 224%)
20K12.43 mi3.11 mi25669-17210853-11610853-11625883(Top 97%)10988(Top 96%)10988(Top 225%)
Half13.11 mi0.68 mi25663+610849+410849+425525(Top 96%)10801(Top 95%)10801(Top 221%)
25K15.53 mi2.42 mi25740-7710898-4910898-4925889(Top 97%)11018(Top 96%)11018(Top 226%)
30K18.64 mi3.11 mi25741-110907-910907-925721(Top 97%)10960(Top 96%)10960(Top 224%)
20M20.00 mi1.36 mi25815-7410956-4910956-4926303(Top 99%)11284(Top 99%)11284(Top 231%)
21M21.00 mi1.00 mi25839-2410967-1110967-1125997(Top 98%)11113(Top 97%)11113(Top 228%)
35K21.75 mi0.75 mi25879-4010992-2510992-2526358(Top 99%)11309(Top 99%)11309(Top 232%)
23M23.00 mi1.25 mi25860+1910985+710985+725210(Top 95%)10750(Top 94%)10750(Top 220%)
24M24.00 mi1.00 mi25856+410987-210987-225813(Top 97%)11081(Top 97%)11081(Top 227%)
40K24.85 mi0.85 mi25873-1710998-1110998-1125775(Top 97%)11065(Top 97%)11065(Top 227%)
25.2M25.20 mi0.35 mi25879-611002-411002-425983(Top 98%)11163(Top 98%)11163(Top 229%)
Finish26.22 mi1.02 mi25873+611001+111001+125545(Top 96%)10945(Top 96%)10945(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25867

Females

10962

F18-39

10962

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25074

Females

10485

F18-39

10485

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25867

Females

10962

F18-39

10962

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25883

Females

10988

F18-39

10988

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25525

Females

10801

F18-39

10801

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25889

Females

11018

F18-39

11018

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25721

Females

10960

F18-39

10960

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26303

Females

11284

F18-39

11284

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

25997

Females

11113

F18-39

11113

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26358

Females

11309

F18-39

11309

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25210

Females

10750

F18-39

10750

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25813

Females

11081

F18-39

11081

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25775

Females

11065

F18-39

11065

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25983

Females

11163

F18-39

11163

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25545

Females

10945

F18-39

10945

Passing Analysis

Category:
Athletes Passed
447
Passed By
1178
Net Change
-731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25142
5K → 10K191156+35#25142#25107
10K → 15K14404-390#25107#25497
15K → 20K33205-172#25497#25669
20K → Half2620+6#25669#25663
Half → 25K32109-77#25663#25740
25K → 30K6061-1#25740#25741
30K → 20M1084-74#25741#25815
20M → 21M933-24#25815#25839
21M → 35K646-40#25839#25879
35K → 23M267+19#25879#25860
23M → 24M1814+4#25860#25856
24M → 40K724-17#25856#25873
40K → 25.2M17-6#25873#25879
25.2M → Finish148+6#25879#25873
TOTALS4471178-731
📊

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