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SF MARATHON 1ST HALF 2026

Derrick Choi

Bib: 20974•M•Age: 26

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:36/mi
23:13
→ flat
4M
11:43/mi
46:38
↑ 67↓ 69
6M
11:36/mi
1:09:50
↑ 1231.1%
8M
11:34/mi
1:32:57
↑ 166↓ 531.1%
9.6M
11:34/mi
1:51:27
↑ 68↓ 1931.5%
10M
21:11/mi
1:59:55
↓ 241.1%
10.5M
5:34/mi
2:02:42
↓ 732.7%
12M
18:14/mi
2:30:03
↑ 2803.2%
Finish· 13.11 mi
12:34/mi
2:43:59
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:50
Pace11:38 /mi
2nd Half
Distance7.11 mi
Time1:34:09
Pace13:15 /mi
📊Positive Split: 34.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:06:2723:1311:3623:13
11:36
-
4M
4.00 mi07:29:5246:3811:4023:25
11:43
+0:07
6M
6.00 mi07:53:041:09:5011:3823:12
11:36
-0:07
8M
8.00 mi08:16:111:32:5711:3723:07
11:34
-0:02
9.6M
9.60 mi08:34:411:51:2711:3718:30
11:34
0:00
10M
10.00 mi08:43:091:59:5512:008:28
21:11
+9:37
10.5M
10.50 mi08:45:562:02:4211:412:47
5:34
-15:37
12M
12.00 mi09:13:172:30:0312:3027:21
18:14
+12:40
Finish
13.11 mi09:27:132:43:5912:3113:56
12:34
-5:40

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

5:34 /mi

Average Pace

12:31 /mi

Slowest Pace

21:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47

2% of race

Time at Steady Pace

2:05:23

76% of race

Time at Slower Pace

35:49

22% of race

Average Pace: 12:30 /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 mi07:06:2723:1311:3623:13
11:36
#5522
4M
4.00 mi07:29:5246:3811:4023:25
11:43
#5346
6M
6.00 mi07:53:041:09:5011:3823:12
11:36
#5097
8M
8.00 mi08:16:111:32:5711:3723:07
11:34
#4791
9.6M
9.60 mi08:34:411:51:2711:3718:30
11:34
#4999
10M
10.00 mi08:43:091:59:5512:008:28
21:11
#4903
10.5M
10.50 mi08:45:562:02:4211:412:47
5:34
#4896
12M
12.00 mi09:13:172:30:0312:3027:21
18:14
#5058
Finish
13.11 mi09:27:132:43:5912:3113:56
12:34
#5063
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 63%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:15

Segment Time

12:30/mi

Pace

0.90 mi

Distance

Overall

4174

Men

2584

Division

600

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi552232507265550(Top 84%)3165(Top 87%)708(Top 89%)
4M4.00 mi2.00 mi5346+1763186+64715+115142(Top 78%)3087(Top 85%)701(Top 88%)
6M6.00 mi2.00 mi5097+2493086+100705+104632(Top 70%)2886(Top 80%)670(Top 84%)
8M8.00 mi2.00 mi4791+3062971+115678+274134(Top 63%)2651(Top 73%)601(Top 76%)
9.6M9.60 mi1.60 mi4999-2083043-72690-125515(Top 84%)3156(Top 87%)719(Top 90%)
10M10.00 mi0.40 mi4903+962996+47681+94175(Top 63%)2571(Top 71%)594(Top 75%)
10.5M10.50 mi0.50 mi4896+72990+6680+14589(Top 70%)2797(Top 77%)637(Top 80%)
12M12.00 mi1.50 mi5058-1623041-51688-85550(Top 84%)3165(Top 87%)708(Top 89%)
Finish13.11 mi1.11 mi5063-53041690-25304(Top 81%)3046(Top 84%)684(Top 86%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 84%
~flat
+5ft-3ft

Overall

5550

Males

3165

M25-29

709

2M→4M

2.0 - 4.0 mi

Top 78%
×4story building
+67ft-69ft

Overall

5142

Males

3087

M25-29

704

4M→6M

4.0 - 6.0 mi

Top 70%
×9story building
+123ft-9ft

Overall

4632

Males

2886

M25-29

672

6M→8M

6.0 - 8.0 mi

Top 63%
×12story building
+166ft-53ft

Overall

4134

Males

2651

M25-29

602

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13story building
+68ft-193ft

Overall

5515

Males

3156

M25-29

720

9.6M→10M

9.6 - 10.0 mi

Top 63%
×2story building
+0ft-24ft

Overall

4175

Males

2571

M25-29

595

10M→10.5M

10.0 - 10.5 mi

Top 70%
×6story building
+1ft-73ft

Overall

4589

Males

2797

M25-29

638

10.5M→12M

10.5 - 12.0 mi

Top 84%
×21story building
+280ft-26ft

Overall

5550

Males

3165

M25-29

709

12M→Finish

12.0 - 13.1 mi

Top 81%
×7story building
+14ft-89ft

Overall

5304

Males

3046

M25-29

684

Passing Analysis

Category:
Athletes Passed
1103*
Passed By
644
Net Change
+459
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5522
2M → 4M233*57+176#5522#5346
4M → 6M280*31+249#5346#5097
6M → 8M337*31+306#5097#4791
8M → 9.6M42250-208#4791#4999
9.6M → 10M10711+96#4999#4903
10M → 10.5M147+7#4903#4896
10.5M → 12M38*200-162#4896#5058
12M → Finish52*57-5#5058#5063
TOTALS1103*644+459

* 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

Race Place Events

Race Place Events