David Jin Li

Bib: 5636•M•Age: 21

London

0:00

0:00

/ mi

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Overall

#0 / 7166

Top 31%

Gender (Male)

#0 / 5052

Top 36%

M20-29

#0 / 648

Top 42%

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

19:03

Rank: #3321

Start → 2M

19:03 | 9:31/mi

19:03

Rank: #3321

Start → 2M

19:03 | 9:31/mi

38:20

Rank: #3326 (-5)

2M → 4M

19:17 | 9:39/mi

38:20

Rank: #3326 (-5)

2M → 4M

19:17 | 9:39/mi

57:51

Rank: #3333 (-7)

4M → 6M

19:31 | 9:45/mi

57:51

Rank: #3333 (-7)

4M → 6M

19:31 | 9:45/mi

1:16:27

Rank: #3239 (+94)

6M → 8M

18:36 | 9:18/mi

1:16:27

Rank: #3239 (+94)

6M → 8M

18:36 | 9:18/mi

9.6M

1:31:55

Rank: #3118 (+121)

8M → 9.6M

15:28 | 9:40/mi

9.6M

1:31:55

Rank: #3118 (+121)

8M → 9.6M

15:28 | 9:40/mi

10M

1:34:27

Rank: #3103 (+15)

9.6M → 10M

2:32 | 6:20/mi

10M

1:34:27

Rank: #3103 (+15)

9.6M → 10M

2:32 | 6:20/mi

10.5M

1:40:37

Rank: #3052 (+51)

10M → 10.5M

6:10 | 12:20/mi

10.5M

1:40:37

Rank: #3052 (+51)

10M → 10.5M

6:10 | 12:20/mi

12M

1:53:46

Rank: #2959 (+93)

10.5M → 12M

13:09 | 8:46/mi

12M

1:53:46

Rank: #2959 (+93)

10.5M → 12M

13:09 | 8:46/mi

14M

2:13:41

Rank: #2889 (+70)

12M → 14M

19:55 | 9:57/mi

14M

2:13:41

Rank: #2889 (+70)

12M → 14M

19:55 | 9:57/mi

16M

2:31:36

Rank: #2896 (-7)

14M → 16M

17:55 | 8:58/mi

16M

2:31:36

Rank: #2896 (-7)

14M → 16M

17:55 | 8:58/mi

18M

2:49:31

Rank: #2643 (+253)

16M → 18M

17:55 | 8:58/mi

18M

2:49:31

Rank: #2643 (+253)

16M → 18M

17:55 | 8:58/mi

20M

3:08:08

Rank: #2496 (+147)

18M → 20M

18:37 | 9:18/mi

20M

3:08:08

Rank: #2496 (+147)

18M → 20M

18:37 | 9:18/mi

22M

3:25:33

Rank: #2364 (+132)

20M → 22M

17:25 | 8:42/mi

22M

3:25:33

Rank: #2364 (+132)

20M → 22M

17:25 | 8:42/mi

24M

3:46:19

Rank: #2301 (+63)

22M → 24M

20:46 | 10:23/mi

24M

3:46:19

Rank: #2301 (+63)

22M → 24M

20:46 | 10:23/mi

Finish· 26.22 mi

4:08:44

Rank: #2254 (+47)

24M → Finish

22:25 | 10:06/mi

Finish· 26.22 mi

4:08:44

Rank: #2254 (+47)

24M → Finish

22:25 | 10:06/mi

The Course

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Half Splits

1st Half· via 14M

Distance14.00 mi

Time2:13:41

Pace9:33 /mi

2nd Half✓ Faster

Distance12.22 mi

Time1:55:03

Pace9:25 /mi

📊Negative Split: 13.9% faster second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:41:40	19:03	9:31	19:03	9:31	-
4M	4.00 mi	06:00:57	38:20	9:35	19:17	9:39	+0:08
6M	6.00 mi	06:20:28	57:51	9:39	19:31	9:45	+0:06
8M	8.00 mi	06:39:04	1:16:27	9:33	18:36	9:18	-0:27
9.6M	9.60 mi	06:54:32	1:31:55	9:34	15:28	9:40	+0:22
10M	10.00 mi	06:57:04	1:34:27	9:27	2:32	6:20	-3:20
10.5M	10.50 mi	07:03:14	1:40:37	9:35	6:10	12:20	+6:00
12M	12.00 mi	07:16:23	1:53:46	9:29	13:09	8:46	-3:34
14M	14.00 mi	07:36:18	2:13:41	9:33	19:55	9:57	+1:11
16M	16.00 mi	07:54:13	2:31:36	9:28	17:55	8:58	-0:59
18M	18.00 mi	08:12:08	2:49:31	9:25	17:55	8:58	0:00
20M	20.00 mi	08:30:45	3:08:08	9:24	18:37	9:18	+0:20
22M	22.00 mi	08:48:10	3:25:33	9:21	17:25	8:42	-0:36
24M	24.00 mi	09:08:56	3:46:19	9:26	20:46	10:23	+1:41
Finish	26.22 mi	09:31:21	4:08:44	9:30	22:25	10:06	-0:17

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

6:20 /mi

Average Pace

9:30 /mi

Slowest Pace

12:20 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

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

33:06

13% of race

Time at Steady Pace

3:08:42

76% of race

Time at Slower Pace

26:56

11% of race

Average Pace: 9:29 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
2M	2.00 mi	05:41:40	19:03	9:31	19:03	9:31	#3321
4M	4.00 mi	06:00:57	38:20	9:35	19:17	9:39	#3326
6M	6.00 mi	06:20:28	57:51	9:39	19:31	9:45	#3333
8M	8.00 mi	06:39:04	1:16:27	9:33	18:36	9:18	#3239
9.6M	9.60 mi	06:54:32	1:31:55	9:34	15:28	9:40	#3118
10M	10.00 mi	06:57:04	1:34:27	9:27	2:32	6:20	#3103
10.5M	10.50 mi	07:03:14	1:40:37	9:35	6:10	12:20	#3052
12M	12.00 mi	07:16:23	1:53:46	9:29	13:09	8:46	#2959
14M	14.00 mi	07:36:18	2:13:41	9:33	19:55	9:57	#2889
16M	16.00 mi	07:54:13	2:31:36	9:28	17:55	8:58	#2896
18M	18.00 mi	08:12:08	2:49:31	9:25	17:55	8:58	#2643
20M	20.00 mi	08:30:45	3:08:08	9:24	18:37	9:18	#2496
22M	22.00 mi	08:48:10	3:25:33	9:21	17:25	8:42	#2364
24M	24.00 mi	09:08:56	3:46:19	9:26	20:46	10:23	#2301
Finish	26.22 mi	09:31:21	4:08:44	9:30	22:25	10:06	#2254

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 35%

Garmin Challenge

Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:42

Segment Time

9:40/mi

Pace

0.90 mi

Distance

Overall

2534

Men

2110

Division

311

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M20-29	Seg. Overall	Seg. Males	Seg. M20-29
2M	2.00 mi	2.00 mi	3321	2695	386	2485(Top 35%)	2067(Top 41%)	330(Top 51%)
4M	4.00 mi	2.00 mi	3326-5	2696-1	387-1	3380(Top 47%)	2740(Top 54%)	392(Top 60%)
6M	6.00 mi	2.00 mi	3333-7	2709-13	392-5	3476(Top 49%)	2818(Top 56%)	403(Top 62%)
8M	8.00 mi	2.00 mi	3239+94	2645+64	383+9	3063(Top 43%)	2519(Top 50%)	376(Top 58%)
9.6M	9.60 mi	1.60 mi	3118+121	2552+93	375+8	2724(Top 38%)	2254(Top 45%)	334(Top 52%)
10M	10.00 mi	0.40 mi	3103+15	2544+8	373+2	2480(Top 35%)	2069(Top 41%)	311(Top 48%)
10.5M	10.50 mi	0.50 mi	3052+51	2504+40	368+5	2654(Top 37%)	2175(Top 43%)	323(Top 50%)
12M	12.00 mi	1.50 mi	2959+93	2440+64	361+7	2485(Top 35%)	2067(Top 41%)	330(Top 51%)
14M	14.00 mi	2.00 mi	2889+70	2387+53	353+8	2632(Top 37%)	2163(Top 43%)	323(Top 50%)
16M	16.00 mi	2.00 mi	2896-7	2379+8	348+5	3429(Top 48%)	2657(Top 53%)	368(Top 57%)
18M	18.00 mi	2.00 mi	2643+253	2179+200	323+25	1166(Top 16%)	989(Top 20%)	138(Top 21%)
20M	20.00 mi	2.00 mi	2496+147	2060+119	305+18	1814(Top 25%)	1493(Top 30%)	212(Top 33%)
22M	22.00 mi	2.00 mi	2364+132	1944+116	290+15	1645(Top 23%)	1341(Top 27%)	195(Top 30%)
24M	24.00 mi	2.00 mi	2301+63	1885+59	281+9	2185(Top 30%)	1677(Top 33%)	230(Top 35%)
Finish	26.22 mi	2.22 mi	2254+47	1835+50	271+10	2404(Top 34%)	1824(Top 36%)	253(Top 39%)

253

Passing Analysis

Category:

Athletes Passed

1527*

Passed By

460

Net Change

+1067

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#3321
2M → 4M	122*	127	-5	#3321	#3326
4M → 6M	83	90	-7	#3326	#3333
6M → 8M	117*	23	+94	#3333	#3239
8M → 9.6M	132*	11	+121	#3239	#3118
9.6M → 10M	19	4	+15	#3118	#3103
10M → 10.5M	61	10	+51	#3103	#3052
10.5M → 12M	102	9	+93	#3052	#2959
12M → 14M	81*	11	+70	#2959	#2889
14M → 16M	87*	94	-7	#2889	#2896
16M → 18M	256	3	+253	#2896	#2643
18M → 20M	151*	4	+147	#2643	#2496
20M → 22M	139*	7	+132	#2496	#2364
22M → 24M	97*	34	+63	#2364	#2301
24M → Finish	80*	33	+47	#2301	#2254
TOTALS	1527*	460	+1067

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

📊

Passing Visuals

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 7 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

The San Francisco Marathon

Race timed by

Race Place Events

David Jin Li

⏱️ 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

Garmin Challenge

Checkpoint and Segment Rankings

Segment Performance Analysis

10.5M→12M

2M→4M

4M→6M

6M→8M

8M→9.6M

9.6M→10M

10M→10.5M

10.5M→12M

12M→14M

14M→16M

16M→18M

18M→20M

20M→22M

22M→24M

24M→Finish

Passing Analysis

Passing Visuals

📈Position Graph

🎨Heatmap Timeline

🔄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