San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Casey Nelson

Bib: 25977•M•Age: 48

Santa Barbara, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 3840
Top 27%
Gender (Male)
#0 / 2065
Top 36%
Masters (Masters Men)
#0 / 555
Top 28%
Division (M45-49)
#0 / 119
Top 36%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
18:34
Rank: #1448
Start → 2M
9:17/mi
18:34 split
4M
34:59
Rank: #1202 (+246)
2M → 4M
8:13/mi
16:25 split
6M
56:42
Rank: #1142 (+60)
4M → 6M
10:51/mi
21:43 split
8M
1:09:58
Rank: #1089 (+53)
6M → 8M
6:38/mi
13:16 split
10M
1:27:46
Rank: #1030 (+59)
8M → 10M
8:54/mi
17:48 split
12M
1:46:49
Rank: #1022 (+8)
10M → 12M
9:31/mi
19:03 split
Finish· 13.11 mi
1:57:02
Rank: #1020 (+2)
12M → Finish
9:13/mi
10:13 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time56:42
Pace9:27 /mi
2nd Half
Distance7.11 mi
Time1:00:20
Pace8:29 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:07:3818:349:1718:34
9:17
-
4M
4.00 mi09:24:0334:598:4516:25
8:13
-1:04
6M
6.00 mi09:45:4656:429:2721:43
10:51
+2:38
8M
8.00 mi09:59:021:09:588:4513:16
6:38
-4:13
10M
10.00 mi10:16:501:27:468:4717:48
8:54
+2:16
12M
12.00 mi10:35:531:46:498:5419:03
9:31
+0:37
Finish
13.11 mi10:46:061:57:028:5610:13
9:13
-0:18

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

6:38 /mi

Average Pace

8:56 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:41

25% of race

Time at Steady Pace

1:05:38

56% of race

Time at Slower Pace

21:43

19% of race

Average Pace: 8:56 /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...
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 mi09:07:3818:349:1718:34
9:17
#1448
4M
4.00 mi09:24:0334:598:4516:25
8:13
#1202
6M
6.00 mi09:45:4656:429:2721:43
10:51
#1142
8M
8.00 mi09:59:021:09:588:4513:16
6:38
#1089
10M
10.00 mi10:16:501:27:468:4717:48
8:54
#1030
12M
12.00 mi10:35:531:46:498:5419:03
9:31
#1022
Finish
13.11 mi10:46:061:57:028:5610:13
9:13
#1020
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi14481005611069(Top 28%)748(Top 36%)40(Top 34%)
4M4.00 mi2.00 mi1202+246849+15651+10970(Top 25%)696(Top 34%)44(Top 37%)
6M6.00 mi2.00 mi1142+60805+4448+31109(Top 29%)792(Top 38%)44(Top 37%)
8M8.00 mi2.00 mi1089+53770+3547+1961(Top 25%)698(Top 34%)41(Top 34%)
10M10.00 mi2.00 mi1030+59737+3345+2874(Top 23%)642(Top 31%)38(Top 32%)
12M12.00 mi2.00 mi1022+8734+343+21069(Top 28%)748(Top 36%)40(Top 34%)
Finish13.11 mi1.11 mi1020+2734431095(Top 29%)760(Top 37%)43(Top 36%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 28%
×9stories
+138ft-68ft

Overall

1069

Males

748

M45-49

40

2M→4M

2.0 - 4.0 mi

Top 25%
×13stories
+163ft-19ft

Overall

970

Males

696

M45-49

44

4M→6M

4.0 - 6.0 mi

Top 29%
×4stories
+55ft-83ft

Overall

1109

Males

792

M45-49

44

6M→8M

6.0 - 8.0 mi

Top 25%
×10stories
+65ft-151ft

Overall

961

Males

698

M45-49

41

8M→10M

8.0 - 10.0 mi

Top 23%
×10stories
+61ft-174ft

Overall

874

Males

642

M45-49

38

10M→12M

10.0 - 12.0 mi

Top 28%
×3stories
+41ft-53ft

Overall

1069

Males

748

M45-49

40

12M→Finish

12.0 - 13.1 mi

Top 29%
×1human
+6ft-6ft

Overall

1095

Males

760

M45-49

43

Passing Analysis

Category:
Athletes Passed
523*
Passed By
95
Net Change
+428
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1448
2M → 4M25610+246#1448#1202
4M → 6M8929+60#1202#1142
6M → 8M607+53#1142#1089
8M → 10M64*5+59#1089#1030
10M → 12M3325+8#1030#1022
12M → Finish2119+2#1022#1020
TOTALS523*95+428

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon