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SF MARATHON 1ST HALF 2026

Race Dahlstrom

Bib: 13357•M•Age: 21

Alamo, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 44%
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
9:13/mi
18:27
→ flat
4M
9:46/mi
37:59
↑ 67↓ 69
6M
10:22/mi
58:44
↑ 1231.1%
8M
12:05/mi
1:22:54
↑ 166↓ 531.1%
9.6M
8:47/mi
1:36:57
↑ 68↓ 1931.5%
10M
20:36/mi
1:45:11
↓ 241.1%
10.5M
5:30/mi
1:47:56
↓ 732.7%
12M
13:55/mi
2:08:48
↑ 2803.2%
Finish· 13.11 mi
9:33/mi
2:19:24
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time58:44
Pace9:47 /mi
2nd Half
Distance7.11 mi
Time1:20:40
Pace11:21 /mi
📊Positive Split: 37.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:51:0518:279:1318:27
9:13
-
4M
4.00 mi07:10:3737:599:3019:32
9:46
+0:33
6M
6.00 mi07:31:2258:449:4720:45
10:22
+0:36
8M
8.00 mi07:55:321:22:5410:2224:10
12:05
+1:43
9.6M
9.60 mi08:09:351:36:5710:0614:03
8:47
-3:18
10M
10.00 mi08:17:491:45:1110:318:14
20:36
+11:49
10.5M
10.50 mi08:20:341:47:5610:172:45
5:30
-15:06
12M
12.00 mi08:41:262:08:4810:4420:52
13:55
+8:25
Finish
13.11 mi08:52:022:19:2410:3810:36
9:33
-4:22

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

5:30 /mi

Average Pace

10:38 /mi

Slowest Pace

20:36 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45

2% of race

Time at Steady Pace

1:23:23

60% of race

Time at Slower Pace

53:16

38% of race

Average Pace: 10:38 /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 mi06:51:0518:279:1318:27
9:13
#1833
4M
4.00 mi07:10:3737:599:3019:32
9:46
#2137
6M
6.00 mi07:31:2258:449:4720:45
10:22
#2470
8M
8.00 mi07:55:321:22:5410:2224:10
12:05
#3129
9.6M
9.60 mi08:09:351:36:5710:0614:03
8:47
#2977
10M
10.00 mi08:17:491:45:1110:318:14
20:36
#3030
10.5M
10.50 mi08:20:341:47:5610:172:45
5:30
#3051
12M
12.00 mi08:41:262:08:4810:4420:52
13:55
#2968
Finish
13.11 mi08:52:022:19:2410:3810:36
9:33
#2880
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 59%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:59

Segment Time

12:12/mi

Pace

0.90 mi

Distance

Overall

3851

Men

2444

Division

260

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi183313621672661(Top 40%)1794(Top 50%)208(Top 58%)
4M4.00 mi2.00 mi2137-3041551-189190-232487(Top 38%)1757(Top 49%)213(Top 59%)
6M6.00 mi2.00 mi2470-3331749-198215-253117(Top 47%)2121(Top 59%)257(Top 72%)
8M8.00 mi2.00 mi3129-6592141-392256-414647(Top 71%)2917(Top 81%)312(Top 87%)
9.6M9.60 mi1.60 mi2977+1522042+99238+182443(Top 37%)1580(Top 44%)193(Top 54%)
10M10.00 mi0.40 mi3030-532064-22244-63801(Top 58%)2401(Top 66%)252(Top 70%)
10.5M10.50 mi0.50 mi3051-212074-10245-14361(Top 66%)2697(Top 75%)285(Top 80%)
12M12.00 mi1.50 mi2968+832018+56238+72661(Top 40%)1794(Top 50%)208(Top 58%)
Finish13.11 mi1.11 mi2880+881962+56230+82338(Top 36%)1615(Top 45%)198(Top 55%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 40%
~flat
+5ft-3ft

Overall

2661

Males

1794

M20-24

209

2M→4M

2.0 - 4.0 mi

Top 38%
×4story building
+67ft-69ft

Overall

2487

Males

1757

M20-24

214

4M→6M

4.0 - 6.0 mi

Top 47%
×9story building
+123ft-9ft

Overall

3117

Males

2121

M20-24

260

6M→8M

6.0 - 8.0 mi

Top 71%
×12story building
+166ft-53ft

Overall

4647

Males

2917

M20-24

314

8M→9.6M

8.0 - 9.6 mi

Top 37%
×13story building
+68ft-193ft

Overall

2443

Males

1580

M20-24

194

9.6M→10M

9.6 - 10.0 mi

Top 58%
×2story building
+0ft-24ft

Overall

3801

Males

2401

M20-24

253

10M→10.5M

10.0 - 10.5 mi

Top 66%
×6story building
+1ft-73ft

Overall

4361

Males

2697

M20-24

286

10.5M→12M

10.5 - 12.0 mi

Top 40%
×21story building
+280ft-26ft

Overall

2661

Males

1794

M20-24

209

12M→Finish

12.0 - 13.1 mi

Top 36%
×7story building
+14ft-89ft

Overall

2338

Males

1615

M20-24

198

Passing Analysis

Category:
Athletes Passed
523*
Passed By
1570
Net Change
-1047
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1833
2M → 4M31335-304#1833#2137
4M → 6M11344-333#2137#2470
6M → 8M4*663-659#2470#3129
8M → 9.6M21866+152#3129#2977
9.6M → 10M3083-53#2977#3030
10M → 10.5M324-21#3030#3051
10.5M → 12M12744+83#3051#2968
12M → Finish99*11+88#2968#2880
TOTALS523*1570-1047

* 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