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BOSTON MARATHON 2023

Julianne Crisafulli

Bib: 13372•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:51
Rank: #11245
Start → 5K
23:51 | 7:41/mi
10K· 6.21 mi
47:01
Rank: #10611 (+634)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:48
Rank: #9934 (+677)
10K → 15K
22:47 | 7:20/mi
20K· 12.43 mi
1:32:51
Rank: #9581 (+353)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:37:52
Rank: #9550 (+31)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:55:40
Rank: #9185 (+365)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:18:30
Rank: #8603 (+582)
25K → 30K
22:50 | 7:21/mi
20M
2:28:27
Rank: #8335 (+268)
30K → 20M
9:57 | 7:19/mi
21M
2:36:01
Rank: #8109 (+226)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:41:13
Rank: #7955 (+154)
21M → 35K
5:12 | 6:57/mi
23M
2:50:18
Rank: #7716 (+239)
35K → 23M
9:05 | 7:15/mi
24M
2:57:15
Rank: #7514 (+202)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
3:03:15
Rank: #7349 (+165)
24M → 40K
6:00 | 7:01/mi
25.2M
3:05:49
Rank: #7276 (+73)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:12:38
Rank: #7048 (+228)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:46
Pace7:14 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0523:517:4123:51
7:41
-
10K
6.21 mi11:15:1547:017:3423:10
7:27
-0:14
15K
9.32 mi11:38:021:09:487:2922:47
7:20
-0:07
20K
12.43 mi12:01:051:32:517:2823:03
7:25
+0:05
Half
13.11 mi12:06:061:37:527:285:01
7:21
-0:04
25K
15.53 mi12:23:541:55:407:2717:48
7:20
-0:01
30K
18.64 mi12:46:442:18:307:2622:50
7:21
+0:01
20M
20.00 mi12:56:412:28:277:259:57
7:19
-0:02
21M
21.00 mi13:04:152:36:017:267:34
7:34
+0:15
35K
21.75 mi13:09:272:41:137:255:12
6:57
-0:37
23M
23.00 mi13:18:322:50:187:249:05
7:15
+0:18
24M
24.00 mi13:25:292:57:157:236:57
6:57
-0:18
40K
24.85 mi13:31:293:03:157:226:00
7:01
+0:04
25.2M
25.20 mi13:34:033:05:497:222:34
7:27
+0:26
Finish
26.22 mi13:40:523:12:387:216:49
6:41
-0:46

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

6:41 /mi

Average Pace

7:21 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:26

58% of race

Time at Steady Pace

1:20:12

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:52:0523:517:4123:51
7:41
#11245
10K
6.21 mi11:15:1547:017:3423:10
7:27
#10611
15K
9.32 mi11:38:021:09:487:2922:47
7:20
#9934
20K
12.43 mi12:01:051:32:517:2823:03
7:25
#9581
Half
13.11 mi12:06:061:37:527:285:01
7:21
#9550
25K
15.53 mi12:23:541:55:407:2717:48
7:20
#9185
30K
18.64 mi12:46:442:18:307:2622:50
7:21
#8603
20M
20.00 mi12:56:412:28:277:259:57
7:19
#8335
21M
21.00 mi13:04:152:36:017:267:34
7:34
#8109
35K
21.75 mi13:09:272:41:137:255:12
6:57
#7955
23M
23.00 mi13:18:322:50:187:249:05
7:15
#7716
24M
24.00 mi13:25:292:57:157:236:57
6:57
#7514
40K
24.85 mi13:31:293:03:157:226:00
7:01
#7349
25.2M
25.20 mi13:34:033:05:497:222:34
7:27
#7276
Finish
26.22 mi13:40:523:12:387:216:49
6:41
#7048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11245245324538832(Top 33%)1375(Top 12%)1375(Top 28%)
10K6.21 mi3.10 mi10611+6342121+3322121+33210125(Top 38%)1873(Top 16%)1873(Top 38%)
15K9.32 mi3.11 mi9934+6771795+3261795+3268832(Top 33%)1375(Top 12%)1375(Top 28%)
20K12.43 mi3.11 mi9581+3531662+1331662+1338672(Top 33%)1358(Top 12%)1358(Top 28%)
Half13.11 mi0.68 mi9550+311644+181644+189052(Top 34%)1476(Top 13%)1476(Top 30%)
25K15.53 mi2.42 mi9185+3651517+1271517+1277569(Top 28%)1036(Top 9%)1036(Top 21%)
30K18.64 mi3.11 mi8603+5821335+1821335+1826316(Top 24%)714(Top 6%)714(Top 15%)
20M20.00 mi1.36 mi8335+2681266+691266+695792(Top 22%)654(Top 6%)654(Top 13%)
21M21.00 mi1.00 mi8109+2261192+741192+744957(Top 19%)518(Top 5%)518(Top 11%)
35K21.75 mi0.75 mi7955+1541146+461146+465114(Top 19%)540(Top 5%)540(Top 11%)
23M23.00 mi1.25 mi7716+2391073+731073+735104(Top 19%)565(Top 5%)565(Top 12%)
24M24.00 mi1.00 mi7514+2021033+401033+404453(Top 17%)434(Top 4%)434(Top 9%)
40K24.85 mi0.85 mi7349+165994+39994+393971(Top 15%)409(Top 4%)409(Top 8%)
25.2M25.20 mi0.35 mi7276+73975+19975+193713(Top 14%)391(Top 3%)391(Top 8%)
Finish26.22 mi1.02 mi7048+228928+47928+473497(Top 13%)367(Top 3%)367(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8832

Females

1375

F18-39

1375

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10125

Females

1873

F18-39

1873

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8832

Females

1375

F18-39

1375

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8672

Females

1358

F18-39

1358

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9052

Females

1476

F18-39

1476

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7569

Females

1036

F18-39

1036

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6316

Females

714

F18-39

714

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5792

Females

654

F18-39

654

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4957

Females

518

F18-39

518

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5114

Females

540

F18-39

540

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5104

Females

565

F18-39

565

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4453

Females

434

F18-39

434

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3971

Females

409

F18-39

409

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3713

Females

391

F18-39

391

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3497

Females

367

F18-39

367

Passing Analysis

Category:
Athletes Passed
4374*
Passed By
177
Net Change
+4197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11245
5K → 10K719*85+634#11245#10611
10K → 15K692*15+677#10611#9934
15K → 20K381*28+353#9934#9581
20K → Half4514+31#9581#9550
Half → 25K3683+365#9550#9185
25K → 30K5897+582#9185#8603
30K → 20M2757+268#8603#8335
20M → 21M2282+226#8335#8109
21M → 35K1540+154#8109#7955
35K → 23M2456+239#7955#7716
23M → 24M2042+202#7716#7514
24M → 40K1661+165#7514#7349
40K → 25.2M741+73#7349#7276
25.2M → Finish2346+228#7276#7048
TOTALS4374*177+4197

* 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