Jaron Shelby

Bib: 4671•M•Age: 23

Boston, MA

0:00

0:00

/ mi

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Overall

#0 / 7166

Gender (Male)

#0 / 5052

M20-29

#0 / 648

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

22:20

Rank: #6073

Start → 2M

22:20 | 11:10/mi

22:20

Rank: #6073

Start → 2M

22:20 | 11:10/mi

46:20

Rank: #6341 (-268)

2M → 4M

24:00 | 12:00/mi

46:20

Rank: #6341 (-268)

2M → 4M

24:00 | 12:00/mi

1:09:53

Rank: #6241 (+100)

4M → 6M

23:33 | 11:46/mi

1:09:53

Rank: #6241 (+100)

4M → 6M

23:33 | 11:46/mi

1:32:13

Rank: #6194 (+47)

6M → 8M

22:20 | 11:10/mi

1:32:13

Rank: #6194 (+47)

6M → 8M

22:20 | 11:10/mi

9.6M

1:51:41

Rank: #6077 (+117)

8M → 9.6M

19:28 | 12:10/mi

9.6M

1:51:41

Rank: #6077 (+117)

8M → 9.6M

19:28 | 12:10/mi

10M

1:54:41

Rank: #6055 (+22)

9.6M → 10M

3:00 | 7:31/mi

10M

1:54:41

Rank: #6055 (+22)

9.6M → 10M

3:00 | 7:31/mi

10.5M

2:03:41

Rank: #6105 (-50)

10M → 10.5M

9:00 | 18:00/mi

10.5M

2:03:41

Rank: #6105 (-50)

10M → 10.5M

9:00 | 18:00/mi

12M

2:19:28

Rank: #5920 (+185)

10.5M → 12M

15:47 | 10:31/mi

12M

2:19:28

Rank: #5920 (+185)

10.5M → 12M

15:47 | 10:31/mi

14M

2:43:09

Rank: #5763 (+157)

12M → 14M

23:41 | 11:50/mi

14M

2:43:09

Rank: #5763 (+157)

12M → 14M

23:41 | 11:50/mi

16M

3:05:00

Rank: #5740 (+23)

14M → 16M

21:51 | 10:55/mi

16M

3:05:00

Rank: #5740 (+23)

14M → 16M

21:51 | 10:55/mi

18M

3:26:50

Rank: #5442 (+298)

16M → 18M

21:50 | 10:55/mi

18M

3:26:50

Rank: #5442 (+298)

16M → 18M

21:50 | 10:55/mi

20M

3:55:26

Rank: #5645 (-203)

18M → 20M

28:36 | 14:18/mi

20M

3:55:26

Rank: #5645 (-203)

18M → 20M

28:36 | 14:18/mi

22M

4:22:52

Rank: #5761 (-116)

20M → 22M

27:26 | 13:43/mi

22M

4:22:52

Rank: #5761 (-116)

20M → 22M

27:26 | 13:43/mi

24M

4:59:36

Rank: #6070 (-309)

22M → 24M

36:44 | 18:22/mi

24M

4:59:36

Rank: #6070 (-309)

22M → 24M

36:44 | 18:22/mi

Finish· 26.22 mi

5:28:44

Rank: #6008 (+62)

24M → Finish

29:08 | 13:08/mi

Finish· 26.22 mi

5:28:44

Rank: #6008 (+62)

24M → Finish

29:08 | 13:08/mi

The Course

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Half Splits

1st Half· via 14MFaster

Distance14.00 mi

Time2:43:09

Pace11:39 /mi

2nd Half

Distance12.22 mi

Time2:45:35

Pace13:33 /mi

📊Positive Split: 1.5% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	06:04:52	22:20	11:10	22:20	11:10	-
4M	4.00 mi	06:28:52	46:20	11:35	24:00	12:00	+0:50
6M	6.00 mi	06:52:25	1:09:53	11:39	23:33	11:46	-0:14
8M	8.00 mi	07:14:45	1:32:13	11:32	22:20	11:10	-0:36
9.6M	9.60 mi	07:34:13	1:51:41	11:38	19:28	12:10	+1:00
10M	10.00 mi	07:37:13	1:54:41	11:28	3:00	7:31	-4:39
10.5M	10.50 mi	07:46:13	2:03:41	11:47	9:00	18:00	+10:29
12M	12.00 mi	08:02:00	2:19:28	11:37	15:47	10:31	-7:29
14M	14.00 mi	08:25:41	2:43:09	11:39	23:41	11:50	+1:19
16M	16.00 mi	08:47:32	3:05:00	11:34	21:51	10:55	-0:55
18M	18.00 mi	09:09:22	3:26:50	11:29	21:50	10:55	0:00
20M	20.00 mi	09:37:58	3:55:26	11:46	28:36	14:18	+3:23
22M	22.00 mi	10:05:24	4:22:52	11:57	27:26	13:43	-0:35
24M	24.00 mi	10:42:08	4:59:36	12:29	36:44	18:22	+4:39
Finish	26.22 mi	11:11:16	5:28:44	12:33	29:08	13:08	-5:14

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

7:31 /mi

Average Pace

12:33 /mi

Slowest Pace

18:22 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00

1% of race

Time at Steady Pace

3:43:58

68% of race

Time at Slower Pace

1:41:46

31% of race

Average Pace: 12:32 /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
2M	2.00 mi	06:04:52	22:20	11:10	22:20	11:10	#6073
4M	4.00 mi	06:28:52	46:20	11:35	24:00	12:00	#6341
6M	6.00 mi	06:52:25	1:09:53	11:39	23:33	11:46	#6241
8M	8.00 mi	07:14:45	1:32:13	11:32	22:20	11:10	#6194
9.6M	9.60 mi	07:34:13	1:51:41	11:38	19:28	12:10	#6077
10M	10.00 mi	07:37:13	1:54:41	11:28	3:00	7:31	#6055
10.5M	10.50 mi	07:46:13	2:03:41	11:47	9:00	18:00	#6105
12M	12.00 mi	08:02:00	2:19:28	11:37	15:47	10:31	#5920
14M	14.00 mi	08:25:41	2:43:09	11:39	23:41	11:50	#5763
16M	16.00 mi	08:47:32	3:05:00	11:34	21:51	10:55	#5740
18M	18.00 mi	09:09:22	3:26:50	11:29	21:50	10:55	#5442
20M	20.00 mi	09:37:58	3:55:26	11:46	28:36	14:18	#5645
22M	22.00 mi	10:05:24	4:22:52	11:57	27:26	13:43	#5761
24M	24.00 mi	10:42:08	4:59:36	12:29	36:44	18:22	#6070
Finish	26.22 mi	11:11:16	5:28:44	12:33	29:08	13:08	#6008

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 87%

Garmin Challenge

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

12:00

Segment Time

13:20/mi

Pace

0.90 mi

Distance

Overall

6269

Men

4526

Division

585

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	6073	4439	588	4707(Top 66%)	3583(Top 71%)	508(Top 78%)
4M	4.00 mi	2.00 mi	6341-268	4591-152	605-17	6555(Top 91%)	4711(Top 93%)	625(Top 96%)
6M	6.00 mi	2.00 mi	6241+100	4538+53	606-1	6165(Top 86%)	4498(Top 89%)	597(Top 92%)
8M	8.00 mi	2.00 mi	6194+47	4511+27	602+4	5967(Top 83%)	4397(Top 87%)	592(Top 91%)
9.6M	9.60 mi	1.60 mi	6077+117	4433+78	593+9	5717(Top 80%)	4205(Top 83%)	559(Top 86%)
10M	10.00 mi	0.40 mi	6055+22	4421+12	590+3	5037(Top 70%)	3788(Top 75%)	522(Top 81%)
10.5M	10.50 mi	0.50 mi	6105-50	4449-28	593-3	6585(Top 92%)	4706(Top 93%)	603(Top 93%)
12M	12.00 mi	1.50 mi	5920+185	4341+108	584+9	4707(Top 66%)	3583(Top 71%)	508(Top 78%)
14M	14.00 mi	2.00 mi	5763+157	4236+105	572+12	4924(Top 69%)	3705(Top 73%)	510(Top 79%)
16M	16.00 mi	2.00 mi	5740+23	4229+7	575-3	5451(Top 76%)	3994(Top 79%)	519(Top 80%)
18M	18.00 mi	2.00 mi	5442+298	4027+202	546+29	3354(Top 47%)	2596(Top 51%)	362(Top 56%)
20M	20.00 mi	2.00 mi	5645-203	4145-118	560-14	6477(Top 90%)	4583(Top 91%)	594(Top 92%)
22M	22.00 mi	2.00 mi	5761-116	4212-67	571-11	6407(Top 89%)	4528(Top 90%)	589(Top 91%)
24M	24.00 mi	2.00 mi	6070-309	4394-182	590-19	7033(Top 98%)	4963(Top 98%)	633(Top 98%)
Finish	26.22 mi	2.22 mi	6008+62	4345+49	588+2	5481(Top 76%)	3904(Top 77%)	523(Top 81%)

523

Passing Analysis

Category:

Athletes Passed

1374*

Passed By

1309

Net Change

+65

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#6073
2M → 4M	56*	324	-268	#6073	#6341
4M → 6M	164*	64	+100	#6341	#6241
6M → 8M	80*	33	+47	#6241	#6194
8M → 9.6M	130*	13	+117	#6194	#6077
9.6M → 10M	27	5	+22	#6077	#6055
10M → 10.5M	36	86	-50	#6055	#6105
10.5M → 12M	195	10	+185	#6105	#5920
12M → 14M	166*	9	+157	#5920	#5763
14M → 16M	105*	82	+23	#5763	#5740
16M → 18M	299*	1	+298	#5740	#5442
18M → 20M	17*	220	-203	#5442	#5645
20M → 22M	19*	135	-116	#5645	#5761
22M → 24M	6*	315	-309	#5761	#6070
24M → Finish	74*	12	+62	#6070	#6008
TOTALS	1374*	1309	+65

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

📊

Passing Visuals

Category:

🔥Passing Intensity

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 12 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

Jaron Shelby

⏱️ 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

🔥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