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SF MARATHON 2026

Peter Shreffler

Bib: 1403•M•Age: 42

Raleigh, NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Top 38%
Gender (Male)
#0 / 5052
Top 44%
Masters (Masters Men)
#0 / 1321
Top 38%
Division (M40-44)
#0 / 435
Top 46%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
20:36
Rank: #4725
Start → 2M
20:36 | 10:18/mi
4M
40:10
Rank: #4144 (+581)
2M → 4M
19:34 | 9:47/mi
6M
59:33
Rank: #3829 (+315)
4M → 6M
19:23 | 9:41/mi
8M
1:18:11
Rank: #3609 (+220)
6M → 8M
18:38 | 9:19/mi
9.6M
1:34:56
Rank: #3592 (+17)
8M → 9.6M
16:45 | 10:28/mi
10M
1:37:31
Rank: #3564 (+28)
9.6M → 10M
2:35 | 6:28/mi
10.5M
1:45:26
Rank: #3701 (-137)
10M → 10.5M
7:55 | 15:50/mi
12M
1:58:41
Rank: #3535 (+166)
10.5M → 12M
13:15 | 8:50/mi
14M
2:19:30
Rank: #3468 (+67)
12M → 14M
20:49 | 10:24/mi
16M
2:35:06
Rank: #3217 (+251)
14M → 16M
15:36 | 7:48/mi
18M
2:56:57
Rank: #3200 (+17)
16M → 18M
21:51 | 10:56/mi
20M
3:17:03
Rank: #3111 (+89)
18M → 20M
20:06 | 10:03/mi
22M
3:35:58
Rank: #3015 (+96)
20M → 22M
18:55 | 9:27/mi
24M
3:56:52
Rank: #2873 (+142)
22M → 24M
20:54 | 10:27/mi
Finish· 26.22 mi
4:18:34
Rank: #2749 (+124)
24M → Finish
21:42 | 9:47/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:19:30
Pace9:58 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:59:04
Pace9:45 /mi
📊Negative Split: 14.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:40:2820:3610:1820:36
10:18
-
4M
4.00 mi06:00:0240:1010:0319:34
9:47
-0:31
6M
6.00 mi06:19:2559:339:5619:23
9:41
-0:06
8M
8.00 mi06:38:031:18:119:4618:38
9:19
-0:22
9.6M
9.60 mi06:54:481:34:569:5316:45
10:28
+1:09
10M
10.00 mi06:57:231:37:319:452:35
6:28
-4:00
10.5M
10.50 mi07:05:181:45:2610:027:55
15:50
+9:22
12M
12.00 mi07:18:331:58:419:5313:15
8:50
-7:00
14M
14.00 mi07:39:222:19:309:5820:49
10:24
+1:34
16M
16.00 mi07:54:582:35:069:4215:36
7:48
-2:36
18M
18.00 mi08:16:492:56:579:5021:51
10:56
+3:08
20M
20.00 mi08:36:553:17:039:5120:06
10:03
-0:53
22M
22.00 mi08:55:503:35:589:4918:55
9:27
-0:36
24M
24.00 mi09:16:443:56:529:5220:54
10:27
+1:00
Finish
26.22 mi09:38:264:18:349:5221:42
9:47
-0:40

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

6:28 /mi

Average Pace

9:52 /mi

Slowest Pace

15:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:11

7% of race

Time at Steady Pace

3:30:37

81% of race

Time at Slower Pace

29:46

12% of race

Average Pace: 9:52 /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.

Loading...
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

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:40:2820:3610:1820:36
10:18
#4725
4M
4.00 mi06:00:0240:1010:0319:34
9:47
#4144
6M
6.00 mi06:19:2559:339:5619:23
9:41
#3829
8M
8.00 mi06:38:031:18:119:4618:38
9:19
#3609
9.6M
9.60 mi06:54:481:34:569:5316:45
10:28
#3592
10M
10.00 mi06:57:231:37:319:452:35
6:28
#3564
10.5M
10.50 mi07:05:181:45:2610:027:55
15:50
#3701
12M
12.00 mi07:18:331:58:419:5313:15
8:50
#3535
14M
14.00 mi07:39:222:19:309:5820:49
10:24
#3468
16M
16.00 mi07:54:582:35:069:4215:36
7:48
#3217
18M
18.00 mi08:16:492:56:579:5021:51
10:56
#3200
20M
20.00 mi08:36:553:17:039:5120:06
10:03
#3111
22M
22.00 mi08:55:503:35:589:4918:55
9:27
#3015
24M
24.00 mi09:16:443:56:529:5220:54
10:27
#2873
Finish
26.22 mi09:38:264:18:349:5221:42
9:47
#2749
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 69%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:30

Segment Time

11:40/mi

Pace

0.90 mi

Distance

Overall

4979

Men

3741

Division

322

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi472536133102601(Top 36%)2156(Top 43%)181(Top 42%)
4M4.00 mi2.00 mi4144+5813275+338283+273624(Top 51%)2912(Top 58%)254(Top 58%)
6M6.00 mi2.00 mi3829+3153057+218269+143378(Top 47%)2744(Top 54%)235(Top 54%)
8M8.00 mi2.00 mi3609+2202908+149253+163094(Top 43%)2540(Top 50%)220(Top 51%)
9.6M9.60 mi1.60 mi3592+172894+14249+43713(Top 52%)2945(Top 58%)253(Top 58%)
10M10.00 mi0.40 mi3564+282872+22246+32813(Top 39%)2316(Top 46%)202(Top 46%)
10.5M10.50 mi0.50 mi3701-1372957-85258-125736(Top 80%)4191(Top 83%)356(Top 82%)
12M12.00 mi1.50 mi3535+1662847+110242+162601(Top 36%)2156(Top 43%)181(Top 42%)
14M14.00 mi2.00 mi3468+672789+58234+83197(Top 45%)2581(Top 51%)224(Top 51%)
16M16.00 mi2.00 mi3217+2512602+187222+121936(Top 27%)1588(Top 31%)143(Top 33%)
18M18.00 mi2.00 mi3200+172585+172223359(Top 47%)2600(Top 51%)239(Top 55%)
20M20.00 mi2.00 mi3111+892506+79221+12642(Top 37%)2100(Top 42%)180(Top 41%)
22M22.00 mi2.00 mi3015+962424+82220+12518(Top 35%)1973(Top 39%)171(Top 39%)
24M24.00 mi2.00 mi2873+1422305+119213+72252(Top 31%)1730(Top 34%)147(Top 34%)
Finish26.22 mi2.22 mi2749+1242206+99199+142025(Top 28%)1572(Top 31%)129(Top 30%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 36%
×1human
+6ft-11ft

Overall

2601

Males

2156

M40-44

182

2M→4M

2.0 - 4.0 mi

Top 51%
×4stories
+75ft-70ft

Overall

3624

Males

2912

M40-44

255

4M→6M

4.0 - 6.0 mi

Top 47%
×5stories
+71ft-18ft

Overall

3378

Males

2744

M40-44

236

6M→8M

6.0 - 8.0 mi

Top 43%
×9stories
+106ft-21ft

Overall

3094

Males

2540

M40-44

221

8M→9.6M

8.0 - 9.6 mi

Top 52%
×13stories
+117ft-177ft

Overall

3713

Males

2945

M40-44

254

9.6M→10M

9.6 - 10.0 mi

Top 39%
×1story
+17ft-12ft

Overall

2813

Males

2316

M40-44

203

10M→10.5M

10.0 - 10.5 mi

Top 80%
×9stories
+0ft-102ft

Overall

5736

Males

4191

M40-44

358

10.5M→12M

10.5 - 12.0 mi

Top 36%
×18stories
+304ft-125ft

Overall

2601

Males

2156

M40-44

182

12M→14M

12.0 - 14.0 mi

Top 45%
×9stories
+99ft-125ft

Overall

3197

Males

2581

M40-44

225

14M→16M

14.0 - 16.0 mi

Top 27%
×9stories
+124ft-78ft

Overall

1936

Males

1588

M40-44

144

16M→18M

16.0 - 18.0 mi

Top 47%
×8stories
+106ft-45ft

Overall

3359

Males

2600

M40-44

239

18M→20M

18.0 - 20.0 mi

Top 37%
×3stories
+52ft-26ft

Overall

2642

Males

2100

M40-44

180

20M→22M

20.0 - 22.0 mi

Top 35%
×21stories
+17ft-266ft

Overall

2518

Males

1973

M40-44

171

22M→24M

22.0 - 24.0 mi

Top 31%
×3stories
+70ft-85ft

Overall

2252

Males

1730

M40-44

147

24M→Finish

24.0 - 26.2 mi

Top 28%
~flat
+2ft-2ft

Overall

2025

Males

1572

M40-44

129

Passing Analysis

Category:
Athletes Passed
2402*
Passed By
426
Net Change
+1976
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4725
2M → 4M591*10+581#4725#4144
4M → 6M32510+315#4144#3829
6M → 8M228*8+220#3829#3609
8M → 9.6M70*53+17#3609#3592
9.6M → 10M313+28#3592#3564
10M → 10.5M17154-137#3564#3701
10.5M → 12M1682+166#3701#3535
12M → 14M88*21+67#3535#3468
14M → 16M260*9+251#3468#3217
16M → 18M10588+17#3217#3200
18M → 20M112*23+89#3200#3111
20M → 22M112*16+96#3111#3015
22M → 24M157*15+142#3015#2873
24M → Finish138*14+124#2873#2749
TOTALS2402*426+1976

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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