Jennifer Jeffers

Bib: 1990•F•Age: 36

Chantilly, VA

0:00

0:00

/ mi

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Overall

#0 / 2429

Gender (Female)

#0 / 943

Division (F35-39)

#0 / 117

Race Day Weather

55°/45°F

few clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

44:01

Rank: #2480

Start → 5K

44:01 | 14:10/mi

5K· 3.11 mi

44:01

Rank: #2480

Start → 5K

44:01 | 14:10/mi

10K· 6.21 mi

1:26:26

Rank: #2457 (+23)

5K → 10K

42:25 | 13:39/mi

10K· 6.21 mi

1:26:26

Rank: #2457 (+23)

5K → 10K

42:25 | 13:39/mi

15K· 9.32 mi

2:10:30

Rank: #2450 (+7)

10K → 15K

44:04 | 14:11/mi

15K· 9.32 mi

2:10:30

Rank: #2450 (+7)

10K → 15K

44:04 | 14:11/mi

20K· 12.43 mi

2:58:57

Rank: #2450

15K → 20K

48:27 | 15:36/mi

20K· 12.43 mi

2:58:57

Rank: #2450

15K → 20K

48:27 | 15:36/mi

Half· 13.10 mi

3:09:42

Rank: #2425 (+25)

20K → Half

10:45 | 16:01/mi

Half· 13.10 mi

3:09:42

Rank: #2425 (+25)

20K → Half

10:45 | 16:01/mi

30K· 18.64 mi

4:37:25

Rank: #2413 (+12)

Half → 30K

1:27:43 | 15:50/mi

30K· 18.64 mi

4:37:25

Rank: #2413 (+12)

Half → 30K

1:27:43 | 15:50/mi

35K· 21.75 mi

5:35:50

Rank: #2412 (+1)

30K → 35K

58:25 | 18:48/mi

35K· 21.75 mi

5:35:50

Rank: #2412 (+1)

30K → 35K

58:25 | 18:48/mi

25.2M

6:40:43

Rank: #2399 (+13)

35K → 25.2M

1:04:54 | 18:48/mi

25.2M

6:40:43

Rank: #2399 (+13)

35K → 25.2M

1:04:54 | 18:48/mi

Finish· 26.22 mi

6:59:53

Rank: #2394 (+5)

25.2M → Finish

19:10 | 18:48/mi

Finish· 26.22 mi

6:59:53

Rank: #2394 (+5)

25.2M → Finish

19:10 | 18:48/mi

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.10 mi

Time3:09:42

Pace14:29 /mi

2nd Half

Distance13.12 mi

Time3:50:11

Pace17:33 /mi

📊Positive Split: 21.3% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	08:24:17	44:01	14:10	44:01	14:10	-
10K	6.21 mi	09:06:42	1:26:26	13:55	42:25	13:39	-0:31
15K	9.32 mi	09:50:46	2:10:30	14:00	44:04	14:11	+0:32
20K	12.43 mi	10:39:13	2:58:57	14:24	48:27	15:36	+1:25
Half	13.10 mi	10:49:58	3:09:42	14:29	10:45	16:01	+0:25
30K	18.64 mi	12:17:41	4:37:25	14:53	1:27:43	15:50	-0:11
35K	21.75 mi	13:16:06	5:35:50	15:27	58:25	18:48	+2:58
25.2M	25.20 mi	14:20:59	6:40:43	15:54	1:04:54	18:48	0:00
Finish	26.22 mi	14:40:09	6:59:53	16:02	19:10	18:48	0:00

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

13:39 /mi

Average Pace

16:02 /mi

Slowest Pace

18:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:30

31% of race

Time at Steady Pace

2:26:55

35% of race

Time at Slower Pace

2:22:28

34% of race

Average Pace: 16:01 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	08:24:17	44:01	14:10	44:01	14:10	#2480
10K	6.21 mi	09:06:42	1:26:26	13:55	42:25	13:39	#2457
15K	9.32 mi	09:50:46	2:10:30	14:00	44:04	14:11	#2450
20K	12.43 mi	10:39:13	2:58:57	14:24	48:27	15:36	#2450
Half	13.10 mi	10:49:58	3:09:42	14:29	10:45	16:01	#2425
30K	18.64 mi	12:17:41	4:37:25	14:53	1:27:43	15:50	#2413
35K	21.75 mi	13:16:06	5:35:50	15:27	58:25	18:48	#2412
25.2M	25.20 mi	14:20:59	6:40:43	15:54	1:04:54	18:48	#2399
Finish	26.22 mi	14:40:09	6:59:53	16:02	19:10	18:48	#2394

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F35-39	Seg. Overall	Seg. Females	Seg. F35-39
5K	3.11 mi	3.11 mi	2480	943	113	2431(Top 100%)	908(Top 96%)	107(Top 92%)
10K	6.21 mi	3.10 mi	2457+23	923+20	108+5	2418(Top 100%)	899(Top 95%)	108(Top 93%)
15K	9.32 mi	3.11 mi	2450+7	919+4	108	2431(Top 100%)	908(Top 96%)	107(Top 92%)
20K	12.43 mi	3.11 mi	2450	921-2	107+1	2451(Top 101%)	932(Top 99%)	110(Top 95%)
Half	13.10 mi	0.67 mi	2425+25	912+9	108-1	2447(Top 101%)	935(Top 99%)	111(Top 96%)
30K	18.64 mi	5.54 mi	2413+12	923-11	111-3	2365(Top 97%)	903(Top 96%)	110(Top 95%)
35K	21.75 mi	3.11 mi	2412+1	928-5	113-2	2364(Top 97%)	920(Top 98%)	115(Top 99%)
25.2M	25.20 mi	3.45 mi	2399+13	924+4	114-1	2368(Top 97%)	919(Top 97%)	114(Top 98%)
Finish	26.22 mi	1.02 mi	2394+5	921+3	114	2362(Top 97%)	917(Top 97%)	114(Top 98%)

115

Passing Analysis

Category:

Athletes Passed

151*

Passed By

Net Change

+86

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#2480
5K → 10K	31*	8	+23	#2480	#2457
10K → 15K	11	4	+7	#2457	#2450
15K → 20K	11*	11	0	#2450	#2450
20K → Half	31*	6	+25	#2450	#2425
Half → 30K	36*	24	+12	#2425	#2413
30K → 35K	8*	7	+1	#2413	#2412
35K → 25.2M	17*	4	+13	#2412	#2399
25.2M → Finish	6*	1	+5	#2399	#2394
TOTALS	151*	65	+86

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

🔥Passing Intensity

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

🏆 Finisher Certificate

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March 22, 2026

Jennifer Jeffers

Has completed the Marathon in a time of:

6:59:53

2393

out of 2429

Overall Place

921

out of 943

Gender (Female)

114

out of 117

Age Group (F35-39)

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Results processed 12 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

J & A Racing

Race timed by

Big River Race Management

Jennifer Jeffers

⏱️ Race Timeline

The Course

Claim it — unlock a deeper AI report on this race, free

Half Splits

Checkpoint Splits

Checkpoints & Pacing

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→Half

Half→30K

30K→35K

35K→25.2M

25.2M→Finish

Passing Analysis

Passing Visuals

🔥Passing Intensity

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Age Grade

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data