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SF MARATHON 2025

John Cornfield

Bib: 5979โ€ขMโ€ขAge: 26

Washington, DC

0:00
0:00
/ mi
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Overall
#0 / 6545
Top 36%
Gender (Male)
#0 / 4641
Top 42%
Division (M25-29)
#0 / 1018
Top 47%
Race Day Weather
56ยฐ/46ยฐF
overcast clouds

โฑ๏ธ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81 Miles
16:33
Rank: #2714
Start โ†’ 1.81 Miles
16:33 | 9:09/mi
5.55 Miles
51:27
Rank: #2840 (-126)
1.81 Miles โ†’ 5.55 Miles
34:54 | 9:20/mi
6.52 Miles
1:00:49
Rank: #2813 (+27)
5.55 Miles โ†’ 6.52 Miles
9:22 | 9:39/mi
10.87 Miles
1:43:17
Rank: #2996 (-183)
6.52 Miles โ†’ 10.87 Miles
42:28 | 9:46/mi
Garmin Hill Challengeยท 11.38 mi
1:48:48
Rank: #2895 (+101)
10.87 Miles โ†’ Garmin Hill Challenge
5:31 | 10:50/mi
14.95 Miles
2:19:36
Rank: #2892 (+3)
Garmin Hill Challenge โ†’ 14.95 Miles
30:48 | 8:38/mi
18 Miles
2:51:04
Rank: #2669 (+223)
14.95 Miles โ†’ 18 Miles
31:28 | 10:19/mi
25 Miles
3:59:55
Rank: #2429 (+240)
18 Miles โ†’ 25 Miles
1:08:51 | 9:50/mi
Finishยท 26.22 mi
4:11:42
Rank: #2375 (+54)
25 Miles โ†’ Finish
11:47 | 9:40/mi

Course Map & Elevation

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:59:2416:339:0916:33
9:09
-
5.55 Miles
5.55 mi06:34:1851:279:1634:54
9:20
+0:11
6.52 Miles
6.52 mi06:43:401:00:499:209:22
9:39
+0:19
10.87 Miles
10.87 mi07:26:081:43:179:3042:28
9:46
+0:07
Garmin Hill Challenge
11.38 mi07:31:391:48:489:345:31
10:50
+1:04
14.95 Miles
14.95 mi08:02:272:19:369:2030:48
8:38
-2:12
18 Miles
18.00 mi08:33:552:51:049:3031:28
10:19
+1:41
25 Miles
25.00 mi09:42:463:59:559:361:08:51
9:50
-0:29
Finish
26.22 mi09:54:334:11:429:3611:47
9:40
-0:10

Checkpoints & Pacing

๐Ÿ“ˆPace 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

8:38 /mi

Average Pace

9:36 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

๐Ÿ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:22:15

33% of race

Time at Steady Pace

2:12:28

53% of race

Time at Slower Pace

36:59

15% of race

Average Pace: 9:36 /mi

Loading chart...
Faster pace (< avg)
Steady pace (โ‰ˆ avg)
Slower pace (> avg)

๐ŸŽจHeatmap

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

โœจSparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81 Miles
1.81 mi05:59:2416:339:0916:33
9:09
#2714
5.55 Miles
5.55 mi06:34:1851:279:1634:54
9:20
#2840
6.52 Miles
6.52 mi06:43:401:00:499:209:22
9:39
#2813
10.87 Miles
10.87 mi07:26:081:43:179:3042:28
9:46
#2996
Garmin Hill Challenge
11.38 mi07:31:391:48:489:345:31
10:50
#2895
14.95 Miles
14.95 mi08:02:272:19:369:2030:48
8:38
#2892
18 Miles
18.00 mi08:33:552:51:049:3031:28
10:19
#2669
25 Miles
25.00 mi09:42:463:59:559:361:08:51
9:50
#2429
Finish
26.22 mi09:54:334:11:429:3611:47
9:40
#2375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81 Miles1.81 mi1.81 mi271422495492714(Top 41%)2249(Top 48%)549(Top 54%)
5.55 Miles5.55 mi3.74 mi2840-1262346-97578-292935(Top 45%)2415(Top 52%)596(Top 59%)
6.52 Miles6.52 mi0.97 mi2813+272322+24581-32597(Top 40%)2159(Top 47%)553(Top 54%)
10.87 Miles10.87 mi4.35 mi2996-1832458-136606-253257(Top 50%)2635(Top 57%)660(Top 65%)
Garmin Hill Challenge11.38 mi0.51 mi2895+1012385+73593+131929(Top 29%)1639(Top 35%)444(Top 44%)
14.95 Miles14.95 mi3.57 mi2892+32379+6591+22932(Top 45%)2398(Top 52%)593(Top 58%)
18 Miles18.00 mi3.05 mi2669+2232203+176547+442124(Top 32%)1779(Top 38%)457(Top 45%)
25 Miles25.00 mi7.00 mi2429+2402005+198487+602229(Top 34%)1794(Top 39%)436(Top 43%)
Finish26.22 mi1.22 mi2375+541964+41477+102058(Top 31%)1628(Top 35%)399(Top 39%)

Segment Performance Analysis

Start โ†’ 1.81 Miles

0.0 - 1.8 mi

Top 41%
ร—1human
+6ft-10ft

Overall

2714

Males

2249

M25-29

550

1.81 Milesโ†’5.55 Miles

1.8 - 5.5 mi

Top 45%
ร—6stories
+97ft-86ft

Overall

2935

Males

2415

M25-29

598

5.55 Milesโ†’6.52 Miles

5.5 - 6.5 mi

Top 40%
ร—15stories
+178ft-5ft

Overall

2597

Males

2159

M25-29

554

6.52 Milesโ†’10.87 Miles

6.5 - 10.9 mi

Top 50%
ร—20stories
+201ft-318ft

Overall

3257

Males

2635

M25-29

661

10.87 Milesโ†’Garmin Hill Challenge

10.9 - 11.4 mi

Top 29%
ร—11stories
+134ft-79ft

Overall

1929

Males

1639

M25-29

444

Garmin Hill Challengeโ†’14.95 Miles

11.4 - 14.9 mi

Top 45%
ร—17stories
+251ft-225ft

Overall

2932

Males

2398

M25-29

595

14.95 Milesโ†’18 Miles

14.9 - 18.0 mi

Top 32%
ร—12stories
+165ft-60ft

Overall

2124

Males

1779

M25-29

457

18 Milesโ†’25 Miles

18.0 - 25.0 mi

Top 34%
ร—22stories
+142ft-378ft

Overall

2229

Males

1794

M25-29

436

25 Milesโ†’Finish

25.0 - 26.2 mi

Top 31%
~flat
+2ft-0ft

Overall

2058

Males

1628

M25-29

399

Passing Analysis

Category:
Athletes Passed
968*
Passed By
629
Net Change
+339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start โ†’ 1.81 Miles----#2714
1.81 Miles โ†’ 5.55 Miles124250-126#2714#2840
5.55 Miles โ†’ 6.52 Miles5225+27#2840#2813
6.52 Miles โ†’ 10.87 Miles44*227-183#2813#2996
10.87 Miles โ†’ Garmin Hill Challenge1054+101#2996#2895
Garmin Hill Challenge โ†’ 14.95 Miles56*53+3#2895#2892
14.95 Miles โ†’ 18 Miles234*11+223#2892#2669
18 Miles โ†’ 25 Miles293*53+240#2669#2429
25 Miles โ†’ Finish60*6+54#2429#2375
TOTALS968*629+339

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

๐Ÿ“Š

Passing Visuals

Category:

๐Ÿ“ˆPosition Graph

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๐ŸŽจHeatmap Timeline

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๐Ÿ”„Passing Circle

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๐ŸŒŠPosition Flow

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๐ŸƒRace Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon