Tilly Underhill

Bib: 1783•F•Age: 23

Richmond, VA

0:00

0:00

/ mi

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Overall

#0 / 2429

Top 27%

Gender (Female)

#0 / 943

Top 15%

Division (F20-24)

#0 / 155

Top 20%

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

29:07

Rank: #1267

Start → 5K

9:22/mi

29:07 split

5K· 3.11 mi

29:07

Rank: #1267

Start → 5K

9:22/mi

29:07 split

10K· 6.21 mi

56:51

Rank: #1131 (+136)

5K → 10K

8:56/mi

27:44 split

10K· 6.21 mi

56:51

Rank: #1131 (+136)

5K → 10K

8:56/mi

27:44 split

15K· 9.32 mi

1:24:14

Rank: #1046 (+85)

10K → 15K

8:49/mi

27:23 split

15K· 9.32 mi

1:24:14

Rank: #1046 (+85)

10K → 15K

8:49/mi

27:23 split

20K· 12.43 mi

1:52:01

Rank: #996 (+50)

15K → 20K

8:57/mi

27:47 split

20K· 12.43 mi

1:52:01

Rank: #996 (+50)

15K → 20K

8:57/mi

27:47 split

Half· 13.10 mi

1:58:02

Rank: #970 (+26)

20K → Half

8:58/mi

6:01 split

Half· 13.10 mi

1:58:02

Rank: #970 (+26)

20K → Half

8:58/mi

6:01 split

30K· 18.64 mi

2:46:44

Rank: #830 (+140)

Half → 30K

8:47/mi

48:42 split

30K· 18.64 mi

2:46:44

Rank: #830 (+140)

Half → 30K

8:47/mi

48:42 split

35K· 21.75 mi

3:17:00

Rank: #741 (+89)

30K → 35K

9:45/mi

30:16 split

35K· 21.75 mi

3:17:00

Rank: #741 (+89)

30K → 35K

9:45/mi

30:16 split

25.2M

3:49:14

Rank: #658 (+83)

35K → 25.2M

9:20/mi

32:14 split

25.2M

3:49:14

Rank: #658 (+83)

35K → 25.2M

9:20/mi

32:14 split

Finish· 26.22 mi

3:58:25

Rank: #655 (+3)

25.2M → Finish

9:01/mi

9:11 split

Finish· 26.22 mi

3:58:25

Rank: #655 (+3)

25.2M → Finish

9:01/mi

9:11 split

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.10 mi

Time1:58:02

Pace9:01 /mi

2nd Half

Distance13.12 mi

Time2:00:23

Pace9:11 /mi

📊Positive Split: 2.0% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	08:05:21	29:07	9:22	29:07	9:22	-
10K	6.21 mi	08:33:05	56:51	9:09	27:44	8:56	-0:26
15K	9.32 mi	09:00:28	1:24:14	9:02	27:23	8:49	-0:07
20K	12.43 mi	09:28:15	1:52:01	9:01	27:47	8:57	+0:08
Half	13.10 mi	09:34:16	1:58:02	9:01	6:01	8:58	+0:01
30K	18.64 mi	10:22:58	2:46:44	8:57	48:42	8:47	-0:11
35K	21.75 mi	10:53:14	3:17:00	9:03	30:16	9:45	+0:58
25.2M	25.20 mi	11:25:28	3:49:14	9:06	32:14	9:20	-0:25
Finish	26.22 mi	11:34:39	3:58:25	9:06	9:11	9:01	-0:19

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

8:47 /mi

Average Pace

9:06 /mi

Slowest Pace

9:45 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:09

87% of race

Time at Steady Pace

30:16

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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	08:05:21	29:07	9:22	29:07	9:22	#1267
10K	6.21 mi	08:33:05	56:51	9:09	27:44	8:56	#1131
15K	9.32 mi	09:00:28	1:24:14	9:02	27:23	8:49	#1046
20K	12.43 mi	09:28:15	1:52:01	9:01	27:47	8:57	#996
Half	13.10 mi	09:34:16	1:58:02	9:01	6:01	8:58	#970
30K	18.64 mi	10:22:58	2:46:44	8:57	48:42	8:47	#830
35K	21.75 mi	10:53:14	3:17:00	9:03	30:16	9:45	#741
25.2M	25.20 mi	11:25:28	3:49:14	9:06	32:14	9:20	#658
Finish	26.22 mi	11:34:39	3:58:25	9:06	9:11	9:01	#655

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F20-24	Seg. Overall	Seg. Females	Seg. F20-24
5K	3.11 mi	3.11 mi	1267	357	73	901(Top 37%)	207(Top 22%)	43(Top 28%)
10K	6.21 mi	3.10 mi	1131+136	302+55	65+8	995(Top 41%)	246(Top 26%)	51(Top 33%)
15K	9.32 mi	3.11 mi	1046+85	267+35	57+8	901(Top 37%)	207(Top 22%)	43(Top 28%)
20K	12.43 mi	3.11 mi	996+50	244+23	54+3	918(Top 38%)	213(Top 23%)	46(Top 30%)
Half	13.10 mi	0.67 mi	970+26	235+9	52+2	866(Top 36%)	193(Top 20%)	41(Top 26%)
30K	18.64 mi	5.54 mi	830+140	183+52	42+10	678(Top 28%)	147(Top 16%)	32(Top 21%)
35K	21.75 mi	3.11 mi	741+89	164+19	35+7	511(Top 21%)	111(Top 12%)	24(Top 15%)
25.2M	25.20 mi	3.45 mi	658+83	145+19	30+5	448(Top 18%)	119(Top 13%)	24(Top 15%)
Finish	26.22 mi	1.02 mi	655+3	146-1	31-1	610(Top 25%)	176(Top 19%)	37(Top 24%)

F20-24

Passing Analysis

Category:

Athletes Passed

647*

Passed By

Net Change

+612

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#1267
5K → 10K	136*	0	+136	#1267	#1131
10K → 15K	87	2	+85	#1131	#1046
15K → 20K	58*	8	+50	#1046	#996
20K → Half	29*	3	+26	#996	#970
Half → 30K	147*	7	+140	#970	#830
30K → 35K	93*	4	+89	#830	#741
35K → 25.2M	88*	5	+83	#741	#658
25.2M → Finish	9*	6	+3	#658	#655
TOTALS	647*	35	+612

* 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

Tilly Underhill

Has completed the Marathon in a time of:

3:58:25

654

out of 2429

Overall Place

146

out of 943

Gender (Female)

out of 155

Age Group (F20-24)

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Results processed 21 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

Tilly Underhill

⏱️ 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