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SF MARATHON 1ST HALF 2026

Jason Cho

Chicago, IL

Bib: 18985 M 28

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
12:56/mi
25:52
→ flat
12 ft elev
4M
12:58/mi
51:48
↑ 67↓ 69
10 ft elev
6M
12:42/mi
1:17:12
↑ 1231.1%
126 ft elev
8M
11:32/mi
1:40:17
↑ 166↓ 531.1%
246 ft elev
9.6M
11:32/mi
1:58:45
↑ 68↓ 1931.5%
126 ft elev
10M
25:32/mi
2:08:57
↓ 241.1%
90 ft elev
10.5M
5:44/mi
2:11:49
↓ 732.7%
18 ft elev
12M
17:16/mi
2:37:43
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:05/mi
2:50:01
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:17:1212:52 /mi⚡ faster
2nd Half
1:32:4913:03 /mi+20.2%
Positive split — 20.2% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:4925:5212:5625:52
12:56
-
4M
4.00 mi07:37:4551:4812:5725:56
12:58
+0:02
6M
6.00 mi08:03:091:17:1212:5225:24
12:42
-0:16
8M
8.00 mi08:26:141:40:1712:3223:05
11:32
-1:10
9.6M
9.60 mi08:44:421:58:4512:2218:28
11:32
0:00
10M
10.00 mi08:54:542:08:5712:5410:12
25:32
+14:00
10.5M
10.50 mi08:57:462:11:4912:332:52
5:44
-19:48
12M
12.00 mi09:23:402:37:4313:0925:54
17:16
+11:32
Finish
13.11 mi09:35:582:50:0112:5812:18
11:05
-6:11

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

5:44 /mi

Average Pace

12:58 /mi

Slowest Pace

25:32 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52

2% of race

Time at Steady Pace

2:11:03

77% of race

Time at Slower Pace

36:06

21% of race

Average Pace: 12:58 /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 mi07:11:4925:5212:5625:52
12:56
#6396
4M
4.00 mi07:37:4551:4812:5725:56
12:58
#6271
6M
6.00 mi08:03:091:17:1212:5225:24
12:42
#6119
8M
8.00 mi08:26:141:40:1712:3223:05
11:32
#5729
9.6M
9.60 mi08:44:421:58:4512:2218:28
11:32
#5727
10M
10.00 mi08:54:542:08:5712:5410:12
25:32
#5773
10.5M
10.50 mi08:57:462:11:4912:332:52
5:44
#5748
12M
12.00 mi09:23:402:37:4313:0925:54
17:16
#5682
Finish
13.11 mi09:35:582:50:0112:5812:18
11:05
#5550
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 85%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:04

Segment Time

14:31/mi

Pace

0.90 mi

Distance

Overall

5570

Men

3197

Division

720

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi6396357479150132927663
4M4.00 mi2.00 mi6271+1253529+45787+461043465772
6M6.00 mi2.00 mi6119+1523489+40781+656653307753
8M8.00 mi2.00 mi5729+3903346+143759+2241132644600
9.6M9.60 mi1.60 mi5727+23338+8758+154993152718
10M10.00 mi0.40 mi5773-463343-5756+257563254723
10.5M10.50 mi0.50 mi5748+253334+975649392943667
12M12.00 mi1.50 mi5682+663309+25750+650132927663
Finish13.11 mi1.11 mi5550+1323236+73734+1641212539596

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 76%
~flat
+5ft-3ft

Overall

5013

Males

2927

M25-29

664

2M→4M

2.0 - 4.0 mi

Top 93%
×4story building
+67ft-69ft

Overall

6104

Males

3465

M25-29

775

4M→6M

4.0 - 6.0 mi

Top 86%
×9story building
+123ft-9ft

Overall

5665

Males

3307

M25-29

755

6M→8M

6.0 - 8.0 mi

Top 63%
×12story building
+166ft-53ft

Overall

4113

Males

2644

M25-29

601

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13story building
+68ft-193ft

Overall

5499

Males

3152

M25-29

719

9.6M→10M

9.6 - 10.0 mi

Top 88%
×2story building
+0ft-24ft

Overall

5756

Males

3254

M25-29

724

10M→10.5M

10.0 - 10.5 mi

Top 75%
×6story building
+1ft-73ft

Overall

4939

Males

2943

M25-29

668

10.5M→12M

10.5 - 12.0 mi

Top 76%
×21story building
+280ft-26ft

Overall

5013

Males

2927

M25-29

664

12M→Finish

12.0 - 13.1 mi

Top 63%
×7story building
+14ft-89ft

Overall

4121

Males

2539

M25-29

596

Passing Analysis

Category:
Athletes Passed
1102*
Passed By
256
Net Change
+846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6396
2M → 4M148*23+125#6396#6271
4M → 6M162*10+152#6271#6119
6M → 8M392*2+390#6119#5729
8M → 9.6M111109+2#5729#5727
9.6M → 10M2268-46#5727#5773
10M → 10.5M272+25#5773#5748
10.5M → 12M107*41+66#5748#5682
12M → Finish133*1+132#5682#5550
TOTALS1102*256+846

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

Passing Charts

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