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SF MARATHON 1ST HALF 2026

Alec Summers

Bib: 18677•M•Age: 39

Elk Grove, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
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
11:15/mi
22:30
→ flat
4M
11:20/mi
45:09
↑ 67↓ 69
6M
11:08/mi
1:07:26
↑ 1231.1%
8M
10:56/mi
1:29:19
↑ 166↓ 531.1%
9.6M
10:56/mi
1:46:49
↑ 68↓ 1931.5%
10M
21:01/mi
1:55:13
↓ 241.1%
10.5M
5:24/mi
1:57:55
↓ 732.7%
12M
15:21/mi
2:20:57
↑ 2803.2%
Finish· 13.11 mi
11:26/mi
2:33:38
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:07:26
Pace11:14 /mi
2nd Half
Distance7.11 mi
Time1:26:12
Pace12:08 /mi
📊Positive Split: 27.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:5822:3011:1522:30
11:15
-
4M
4.00 mi07:32:3745:0911:1722:39
11:20
+0:05
6M
6.00 mi07:54:541:07:2611:1422:17
11:08
-0:12
8M
8.00 mi08:16:471:29:1911:1021:53
10:56
-0:12
9.6M
9.60 mi08:34:171:46:4911:0817:30
10:56
0:00
10M
10.00 mi08:42:411:55:1311:318:24
21:01
+10:05
10.5M
10.50 mi08:45:231:57:5511:142:42
5:24
-15:37
12M
12.00 mi09:08:252:20:5711:4523:02
15:21
+9:57
Finish
13.11 mi09:21:062:33:3811:4312:41
11:26
-3:55

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

5:24 /mi

Average Pace

11:43 /mi

Slowest Pace

21:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42

2% of race

Time at Steady Pace

1:59:30

78% of race

Time at Slower Pace

31:26

20% of race

Average Pace: 11:43 /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 mi07:09:5822:3011:1522:30
11:15
#5118
4M
4.00 mi07:32:3745:0911:1722:39
11:20
#4860
6M
6.00 mi07:54:541:07:2611:1422:17
11:08
#4553
8M
8.00 mi08:16:471:29:1911:1021:53
10:56
#4173
9.6M
9.60 mi08:34:171:46:4911:0817:30
10:56
#4332
10M
10.00 mi08:42:411:55:1311:318:24
21:01
#4288
10.5M
10.50 mi08:45:231:57:5511:142:42
5:24
#4276
12M
12.00 mi09:08:252:20:5711:4523:02
15:21
#4172
Finish
13.11 mi09:21:062:33:3811:4312:41
11:26
#4174
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 61%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:06

Segment Time

12:20/mi

Pace

0.90 mi

Distance

Overall

3996

Men

2502

Division

418

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi511830815063792(Top 58%)2373(Top 66%)403(Top 69%)
4M4.00 mi2.00 mi4860+2582980+101494+124645(Top 71%)2867(Top 79%)470(Top 81%)
6M6.00 mi2.00 mi4553+3072848+132470+244060(Top 62%)2597(Top 72%)432(Top 74%)
8M8.00 mi2.00 mi4173+3802688+160452+183479(Top 53%)2315(Top 64%)388(Top 67%)
9.6M9.60 mi1.60 mi4332-1592732-44465-134987(Top 76%)2906(Top 80%)477(Top 82%)
10M10.00 mi0.40 mi4288+442696+36458+74062(Top 62%)2526(Top 70%)419(Top 72%)
10.5M10.50 mi0.50 mi4276+122694+2456+24152(Top 63%)2597(Top 72%)428(Top 74%)
12M12.00 mi1.50 mi4172+1042625+69448+83792(Top 58%)2373(Top 66%)403(Top 69%)
Finish13.11 mi1.11 mi4174-22620+5446+24474(Top 68%)2683(Top 74%)444(Top 76%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 58%
~flat
+5ft-3ft

Overall

3792

Males

2373

M35-39

403

2M→4M

2.0 - 4.0 mi

Top 71%
×4story building
+67ft-69ft

Overall

4645

Males

2867

M35-39

470

4M→6M

4.0 - 6.0 mi

Top 62%
×9story building
+123ft-9ft

Overall

4060

Males

2597

M35-39

432

6M→8M

6.0 - 8.0 mi

Top 53%
×12story building
+166ft-53ft

Overall

3479

Males

2315

M35-39

388

8M→9.6M

8.0 - 9.6 mi

Top 76%
×13story building
+68ft-193ft

Overall

4987

Males

2906

M35-39

477

9.6M→10M

9.6 - 10.0 mi

Top 62%
×2story building
+0ft-24ft

Overall

4062

Males

2526

M35-39

419

10M→10.5M

10.0 - 10.5 mi

Top 63%
×6story building
+1ft-73ft

Overall

4152

Males

2597

M35-39

428

10.5M→12M

10.5 - 12.0 mi

Top 58%
×21story building
+280ft-26ft

Overall

3792

Males

2373

M35-39

403

12M→Finish

12.0 - 13.1 mi

Top 68%
×7story building
+14ft-89ft

Overall

4474

Males

2683

M35-39

444

Passing Analysis

Category:
Athletes Passed
1427*
Passed By
483
Net Change
+944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5118
2M → 4M32870+258#5118#4860
4M → 6M324*17+307#4860#4553
6M → 8M411*31+380#4553#4173
8M → 9.6M55214-159#4173#4332
9.6M → 10M7127+44#4332#4288
10M → 10.5M208+12#4288#4276
10.5M → 12M157*53+104#4276#4172
12M → Finish61*63-2#4172#4174
TOTALS1427*483+944

* 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