Isabelle Cerundolo

South Boston

Bib: 44109 F

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 54109

Top 38%

Gender (Female)

#0 / 24561

Top 26%

Division (F25-29)

#0 / 5362

Top 27%

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

9:26/mi

29:20

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:00/mi

57:17

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:45/mi

1:24:29

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:44/mi

1:51:38

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:01/mi

1:57:47

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:12/mi

2:20:05

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:53/mi

2:47:40

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:38/mi

3:14:30

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:54/mi

3:42:09

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:43/mi

3:54:02

↑ 23 ft↓ 20 ft

606 ft elev

Course Elevation

227ft

Total climb

32ft

Range

589 to 621 ft

221ft

Total descent

About the height of a three-story building

The Course

Half Splits

1st Half· via Half

1:57:478:59 /mi+1.3%

2nd Half

1:56:158:52 /mi✓ faster

Negative split — 1.3% faster in the second half

AI Race Performance Report

Isabelle's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:20	9:26	3.11 mi	29:20	9:26	-
10K	57:17	9:13	3.10 mi	27:57	9:00	-0:26
15K	1:24:29	9:04	3.11 mi	27:12	8:45	-0:15
20K	1:51:38	8:59	3.11 mi	27:09	8:44	-0:01
Half(13.11 mi)	1:57:47	8:59	0.68 mi	6:09	9:01	+0:17
25K	2:20:05	9:01	2.42 mi	22:18	9:12	+0:11
30K	2:47:40	9:00	3.11 mi	27:35	8:53	-0:19
35K	3:14:30	8:57	3.11 mi	26:50	8:38	-0:15
40K	3:42:09	8:56	3.10 mi	27:39	8:54	+0:16
Finish(26.22 mi)	3:54:02	8:56	1.37 mi	11:53	8:43	-0:11

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:38 /mi

Average Pace

8:56 /mi

Slowest Pace

9:26 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:02:24

78% of race

Time at Steady Pace

51:38

22% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	30534	10311	2317	24479	7382	1664
10K	3.10 mi	28042+2492	9088+1223	2034+283	25369	7863	1773
15K	3.11 mi	26759+1283	8452+636	1896+138	24479	7382	1664
20K	3.11 mi	25545+1214	7913+539	1769+127	22394	6475	1505
Half(13.11 mi)	0.68 mi	25382+163	7842+71	1761+8	23637	7124	1668
25K	2.42 mi	25405-23	7906-64	1796-35	26046	8311	1928
30K	3.11 mi	24165+1240	7426+480	1691+105	19931	5838	1379
35K	3.11 mi	22474+1691	6816+610	1566+125	15534	4347	1079
40K	3.10 mi	21054+1420	6386+430	1477+89	14569	4395	1072
Finish(26.22 mi)	1.37 mi	20660+394	6276+110	1465+12	15740	5092	1292

5092

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Isabelle's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing