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BOSTON MARATHON 2023

Julie Mithun

Bib: 13549•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:25
Rank: #9973
Start → 5K
23:25 | 7:32/mi
10K· 6.21 mi
46:33
Rank: #9952 (+21)
5K → 10K
23:08 | 7:27/mi
15K· 9.32 mi
1:09:51
Rank: #9987 (-35)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:33:30
Rank: #10043 (-56)
15K → 20K
23:39 | 7:37/mi
Half· 13.11 mi
1:38:35
Rank: #10016 (+27)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:56:56
Rank: #9877 (+139)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:20:56
Rank: #9665 (+212)
25K → 30K
24:00 | 7:43/mi
20M
2:31:30
Rank: #9565 (+100)
30K → 20M
10:34 | 7:47/mi
21M
2:39:36
Rank: #9432 (+133)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:45:18
Rank: #9408 (+24)
21M → 35K
5:42 | 7:37/mi
23M
2:55:12
Rank: #9353 (+55)
35K → 23M
9:54 | 7:54/mi
24M
3:02:47
Rank: #9268 (+85)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:09:20
Rank: #9188 (+80)
24M → 40K
6:33 | 7:40/mi
25.2M
3:12:07
Rank: #9148 (+40)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:19:18
Rank: #8977 (+171)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:35
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:40:43
Pace7:41 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3623:257:3223:25
7:32
-
10K
6.21 mi11:14:4446:337:2923:08
7:27
-0:05
15K
9.32 mi11:38:021:09:517:3023:18
7:30
+0:03
20K
12.43 mi12:01:411:33:307:3123:39
7:37
+0:07
Half
13.11 mi12:06:461:38:357:315:05
7:27
-0:10
25K
15.53 mi12:25:071:56:567:3218:21
7:34
+0:07
30K
18.64 mi12:49:072:20:567:3424:00
7:43
+0:09
20M
20.00 mi12:59:412:31:307:3410:34
7:47
+0:04
21M
21.00 mi13:07:472:39:367:368:06
8:06
+0:19
35K
21.75 mi13:13:292:45:187:365:42
7:37
-0:29
23M
23.00 mi13:23:232:55:127:379:54
7:54
+0:17
24M
24.00 mi13:30:583:02:477:377:35
7:35
-0:19
40K
24.85 mi13:37:313:09:207:376:33
7:40
+0:05
25.2M
25.20 mi13:40:183:12:077:372:47
8:04
+0:24
Finish
26.22 mi13:47:293:19:187:367:11
7:03
-1:01

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

7:03 /mi

Average Pace

7:36 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:57

84% of race

Time at Steady Pace

31:21

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:51:3623:257:3223:25
7:32
#9973
10K
6.21 mi11:14:4446:337:2923:08
7:27
#9952
15K
9.32 mi11:38:021:09:517:3023:18
7:30
#9987
20K
12.43 mi12:01:411:33:307:3123:39
7:37
#10043
Half
13.11 mi12:06:461:38:357:315:05
7:27
#10016
25K
15.53 mi12:25:071:56:567:3218:21
7:34
#9877
30K
18.64 mi12:49:072:20:567:3424:00
7:43
#9665
20M
20.00 mi12:59:412:31:307:3410:34
7:47
#9565
21M
21.00 mi13:07:472:39:367:368:06
8:06
#9432
35K
21.75 mi13:13:292:45:187:365:42
7:37
#9408
23M
23.00 mi13:23:232:55:127:379:54
7:54
#9353
24M
24.00 mi13:30:583:02:477:377:35
7:35
#9268
40K
24.85 mi13:37:313:09:207:376:33
7:40
#9188
25.2M
25.20 mi13:40:183:12:077:372:47
8:04
#9148
Finish
26.22 mi13:47:293:19:187:367:11
7:03
#8977
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi99731848184810179(Top 38%)1923(Top 17%)1923(Top 39%)
10K6.21 mi3.10 mi9952+211822+261822+2610039(Top 38%)1841(Top 16%)1841(Top 38%)
15K9.32 mi3.11 mi9987-351819+31819+310179(Top 38%)1923(Top 17%)1923(Top 39%)
20K12.43 mi3.11 mi10043-561846-271846-2710180(Top 38%)1990(Top 17%)1990(Top 41%)
Half13.11 mi0.68 mi10016+271840+61840+69869(Top 37%)1824(Top 16%)1824(Top 37%)
25K15.53 mi2.42 mi9877+1391797+431797+439315(Top 35%)1687(Top 15%)1687(Top 35%)
30K18.64 mi3.11 mi9665+2121748+491748+498837(Top 33%)1648(Top 14%)1648(Top 34%)
20M20.00 mi1.36 mi9565+1001735+131735+138707(Top 33%)1672(Top 15%)1672(Top 34%)
21M21.00 mi1.00 mi9432+1331706+291706+298035(Top 30%)1533(Top 13%)1533(Top 31%)
35K21.75 mi0.75 mi9408+241716-101716-109429(Top 35%)2106(Top 18%)2106(Top 43%)
23M23.00 mi1.25 mi9353+551713+31713+39137(Top 34%)2100(Top 18%)2100(Top 43%)
24M24.00 mi1.00 mi9268+851704+91704+98307(Top 31%)1799(Top 16%)1799(Top 37%)
40K24.85 mi0.85 mi9188+801698+61698+67746(Top 29%)1653(Top 14%)1653(Top 34%)
25.2M25.20 mi0.35 mi9148+401687+111687+116992(Top 26%)1415(Top 12%)1415(Top 29%)
Finish26.22 mi1.02 mi8977+1711633+541633+545557(Top 21%)936(Top 8%)936(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10179

Females

1923

F18-39

1923

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10039

Females

1841

F18-39

1841

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10179

Females

1923

F18-39

1923

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10180

Females

1990

F18-39

1990

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9869

Females

1824

F18-39

1824

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9315

Females

1687

F18-39

1687

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8837

Females

1648

F18-39

1648

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8707

Females

1672

F18-39

1672

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8035

Females

1533

F18-39

1533

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9429

Females

2106

F18-39

2106

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9137

Females

2100

F18-39

2100

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8307

Females

1799

F18-39

1799

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7746

Females

1653

F18-39

1653

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6992

Females

1415

F18-39

1415

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5557

Females

936

F18-39

936

Passing Analysis

Category:
Athletes Passed
2028*
Passed By
1031
Net Change
+996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9973
5K → 10K317296+21#9973#9952
10K → 15K168202-35#9952#9987
15K → 20K161217-56#9987#10043
20K → Half4215+27#10043#10016
Half → 25K181*42+139#10016#9877
25K → 30K275*63+212#9877#9665
30K → 20M12828+100#9665#9565
20M → 21M15421+133#9565#9432
21M → 35K6036+24#9432#9408
35K → 23M10550+55#9408#9353
23M → 24M11227+85#9353#9268
24M → 40K10222+80#9268#9188
40K → 25.2M444+40#9188#9148
25.2M → Finish1798+171#9148#8977
TOTALS2028*1031+996

* 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