San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Austin Seyboldt

Bib: 23189•M•Age: 29

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 18%
Gender (Male)
#0 / 2065
Top 26%
Division (M25-29)
#0 / 503
Top 29%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
7:26/mi
14:52
↑ 138↓ 680.7%
4M
7:12/mi
29:16
↑ 1631.4%
6M
9:59/mi
49:14
↑ 55↓ 830.3%
8M
6:39/mi
1:02:33
↑ 65↓ 1510.8%
10M
9:11/mi
1:20:55
↑ 61↓ 1741.1%
12M
9:43/mi
1:40:21
↑ 41↓ 530.1%
Finish· 13.11 mi
9:33/mi
1:50:56
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time49:14
Pace8:12 /mi
2nd Half
Distance7.11 mi
Time1:01:42
Pace8:41 /mi
📊Positive Split: 25.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:58:5414:527:2614:52
7:26
-
4M
4.00 mi09:13:1829:167:1914:24
7:12
-0:14
6M
6.00 mi09:33:1649:148:1219:58
9:59
+2:47
8M
8.00 mi09:46:351:02:337:4913:19
6:39
-3:20
10M
10.00 mi10:04:571:20:558:0618:22
9:11
+2:32
12M
12.00 mi10:24:231:40:218:2219:26
9:43
+0:32
Finish
13.11 mi10:34:581:50:568:2810:35
9:33
-0:10

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

6:39 /mi

Average Pace

8:28 /mi

Slowest Pace

9:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:35

38% of race

Time at Steady Pace

48:23

44% of race

Time at Slower Pace

19:58

18% of race

Average Pace: 8:28 /mi

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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...
0mi3.3mi6.6mi9.8mi13.1mi
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 mi08:58:5414:527:2614:52
7:26
#248
4M
4.00 mi09:13:1829:167:1914:24
7:12
#271
6M
6.00 mi09:33:1649:148:1219:58
9:59
#379
8M
8.00 mi09:46:351:02:337:4913:19
6:39
#459
10M
10.00 mi10:04:571:20:558:0618:22
9:11
#556
12M
12.00 mi10:24:231:40:218:2219:26
9:43
#653
Finish
13.11 mi10:34:581:50:568:2810:35
9:33
#709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi248205631173(Top 31%)810(Top 39%)216(Top 43%)
4M4.00 mi2.00 mi271-23220-1566-3343(Top 9%)273(Top 13%)75(Top 15%)
6M6.00 mi2.00 mi379-108303-8384-18582(Top 15%)453(Top 22%)121(Top 24%)
8M8.00 mi2.00 mi459-80362-5994-10979(Top 25%)712(Top 34%)190(Top 38%)
10M10.00 mi2.00 mi556-97435-73109-151065(Top 28%)761(Top 37%)210(Top 42%)
12M12.00 mi2.00 mi653-97503-68134-251173(Top 31%)810(Top 39%)216(Top 43%)
Finish13.11 mi1.11 mi709-56539-36144-101306(Top 34%)886(Top 43%)229(Top 46%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 31%
×9story building
+138ft-68ft

Overall

1173

Males

810

M25-29

216

2M→4M

2.0 - 4.0 mi

Top 9%
×13story building
+163ft-19ft

Overall

343

Males

273

M25-29

75

4M→6M

4.0 - 6.0 mi

Top 15%
×4story building
+55ft-83ft

Overall

582

Males

453

M25-29

121

6M→8M

6.0 - 8.0 mi

Top 25%
×10story building
+65ft-151ft

Overall

979

Males

712

M25-29

190

8M→10M

8.0 - 10.0 mi

Top 28%
×10story building
+61ft-174ft

Overall

1065

Males

761

M25-29

210

10M→12M

10.0 - 12.0 mi

Top 31%
×3story building
+41ft-53ft

Overall

1173

Males

810

M25-29

216

12M→Finish

12.0 - 13.1 mi

Top 34%
×1human
+6ft-6ft

Overall

1306

Males

886

M25-29

229

Passing Analysis

Category:
Athletes Passed
18*
Passed By
479
Net Change
-461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#248
2M → 4M730-23#248#271
4M → 6M1109-108#271#379
6M → 8M484-80#379#459
8M → 10M2*99-97#459#556
10M → 12M4101-97#556#653
12M → Finish056-56#653#709
TOTALS18*479-461

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon