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SF MARATHON 1ST HALF 2026

Alex Kaiser

Charlotte, NC

Bib: 20601 M 27

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
11:36/mi
23:13
→ flat
12 ft elev
4M
12:57/mi
49:06
↑ 67↓ 69
10 ft elev
6M
11:58/mi
1:13:02
↑ 1231.1%
126 ft elev
8M
12:05/mi
1:37:12
↑ 166↓ 531.1%
246 ft elev
9.6M
12:05/mi
1:56:32
↑ 68↓ 1931.5%
126 ft elev
10M
24:09/mi
2:06:11
↓ 241.1%
90 ft elev
10.5M
5:44/mi
2:09:03
↓ 732.7%
18 ft elev
12M
17:23/mi
2:35:08
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:29/mi
2:47:52
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:13:02
Pace12:10 /mi
2nd Half
Distance7.11 mi
Time1:34:50
Pace13:20 /mi
📊Positive Split: 29.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:2523:1311:3623:13
11:36
-
4M
4.00 mi07:35:1849:0612:1725:53
12:57
+1:21
6M
6.00 mi07:59:141:13:0212:1023:56
11:58
-0:59
8M
8.00 mi08:23:241:37:1212:0924:10
12:05
+0:07
9.6M
9.60 mi08:42:441:56:3212:0819:20
12:05
0:00
10M
10.00 mi08:52:232:06:1112:379:39
24:09
+12:04
10.5M
10.50 mi08:55:152:09:0312:172:52
5:44
-18:25
12M
12.00 mi09:21:202:35:0812:5626:05
17:23
+11:39
Finish
13.11 mi09:34:042:47:5212:4812:44
11:29
-5:54

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

12:48 /mi

Slowest Pace

24:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52

2% of race

Time at Steady Pace

2:09:16

77% of race

Time at Slower Pace

35:44

21% of race

Average Pace: 12:48 /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 mi07:09:2523:1311:3623:13
11:36
#5525
4M
4.00 mi07:35:1849:0612:1725:53
12:57
#5910
6M
6.00 mi07:59:141:13:0212:1023:56
11:58
#5621
8M
8.00 mi08:23:241:37:1212:0924:10
12:05
#5386
9.6M
9.60 mi08:42:441:56:3212:0819:20
12:05
#5528
10M
10.00 mi08:52:232:06:1112:379:39
24:09
#5537
10.5M
10.50 mi08:55:152:09:0312:172:52
5:44
#5513
12M
12.00 mi09:21:202:35:0812:5626:05
17:23
#5497
Finish
13.11 mi09:34:042:47:5212:4812:44
11:29
#5372
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 80%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:31

Segment Time

13:55/mi

Pace

0.90 mi

Distance

Overall

5235

Men

3059

Division

685

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi5525325172750922965670
4M4.00 mi2.00 mi5910-3853407-156762-3560903460769
6M6.00 mi2.00 mi5621+2893298+109742+2050333056701
8M8.00 mi2.00 mi5386+2353222+76727+1546522921654
9.6M9.60 mi1.60 mi5528-1423259-37743-1658803333745
10M10.00 mi0.40 mi5537-93258+1739+453963113691
10.5M10.50 mi0.50 mi5513+243246+12737+249342941666
12M12.00 mi1.50 mi5497+163225+21734+350922965670
Finish13.11 mi1.11 mi5372+1253167+58718+1645232708628

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 77%
~flat
+5ft-3ft

Overall

5092

Males

2965

M25-29

671

2M→4M

2.0 - 4.0 mi

Top 93%
×4story building
+67ft-69ft

Overall

6090

Males

3460

M25-29

772

4M→6M

4.0 - 6.0 mi

Top 77%
×9story building
+123ft-9ft

Overall

5033

Males

3056

M25-29

703

6M→8M

6.0 - 8.0 mi

Top 71%
×12story building
+166ft-53ft

Overall

4652

Males

2921

M25-29

655

8M→9.6M

8.0 - 9.6 mi

Top 89%
×13story building
+68ft-193ft

Overall

5880

Males

3333

M25-29

746

9.6M→10M

9.6 - 10.0 mi

Top 82%
×2story building
+0ft-24ft

Overall

5396

Males

3113

M25-29

692

10M→10.5M

10.0 - 10.5 mi

Top 75%
×6story building
+1ft-73ft

Overall

4934

Males

2941

M25-29

667

10.5M→12M

10.5 - 12.0 mi

Top 77%
×21story building
+280ft-26ft

Overall

5092

Males

2965

M25-29

671

12M→Finish

12.0 - 13.1 mi

Top 69%
×7story building
+14ft-89ft

Overall

4523

Males

2708

M25-29

628

Passing Analysis

Category:
Athletes Passed
909*
Passed By
756
Net Change
+153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5525
2M → 4M23*408-385#5525#5910
4M → 6M300*11+289#5910#5621
6M → 8M265*30+235#5621#5386
8M → 9.6M43185-142#5386#5528
9.6M → 10M3645-9#5528#5537
10M → 10.5M240+24#5537#5513
10.5M → 12M78*62+16#5513#5497
12M → Finish140*15+125#5497#5372
TOTALS909*756+153

* 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