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SF MARATHON 1ST HALF 2026

Jeremy Keckler

Bib: 15873•M•Age: 29

Arlington, VA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 45%
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
10:09/mi
20:19
→ flat
4M
11:14/mi
42:46
↑ 67↓ 69
6M
10:05/mi
1:02:57
↑ 1231.1%
8M
9:52/mi
1:22:41
↑ 166↓ 531.1%
9.6M
9:52/mi
1:38:28
↑ 68↓ 1931.5%
10M
18:51/mi
1:46:00
↓ 241.1%
10.5M
5:14/mi
1:48:37
↓ 732.7%
12M
13:53/mi
2:09:26
↑ 2803.2%
Finish· 13.11 mi
9:40/mi
2:20:09
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:57
Pace10:30 /mi
2nd Half
Distance7.11 mi
Time1:17:12
Pace10:52 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:00:5120:1910:0920:19
10:09
-
4M
4.00 mi07:23:1842:4610:4222:27
11:14
+1:05
6M
6.00 mi07:43:291:02:5710:3020:11
10:05
-1:09
8M
8.00 mi08:03:131:22:4110:2019:44
9:52
-0:13
9.6M
9.60 mi08:19:001:38:2810:1515:47
9:52
0:00
10M
10.00 mi08:26:321:46:0010:367:32
18:51
+8:59
10.5M
10.50 mi08:29:091:48:3710:212:37
5:14
-13:37
12M
12.00 mi08:49:582:09:2610:4720:49
13:53
+8:39
Finish
13.11 mi09:00:412:20:0910:4110:43
9:40
-4:13

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

5:14 /mi

Average Pace

10:41 /mi

Slowest Pace

18:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37

2% of race

Time at Steady Pace

1:49:11

78% of race

Time at Slower Pace

28:21

20% of race

Average Pace: 10:41 /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 mi07:00:5120:1910:0920:19
10:09
#3286
4M
4.00 mi07:23:1842:4610:4222:27
11:14
#3973
6M
6.00 mi07:43:291:02:5710:3020:11
10:05
#3479
8M
8.00 mi08:03:131:22:4110:2019:44
9:52
#3082
9.6M
9.60 mi08:19:001:38:2810:1515:47
9:52
#3196
10M
10.00 mi08:26:321:46:0010:367:32
18:51
#3136
10.5M
10.50 mi08:29:091:48:3710:212:37
5:14
#3139
12M
12.00 mi08:49:582:09:2610:4720:49
13:53
#3029
Finish
13.11 mi09:00:412:20:0910:4110:43
9:40
#2961
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 45%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:09

Segment Time

11:17/mi

Pace

0.90 mi

Distance

Overall

2980

Men

1989

Division

472

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi328621884932631(Top 40%)1781(Top 49%)425(Top 53%)
4M4.00 mi2.00 mi3973-6872570-382583-904514(Top 69%)2813(Top 78%)649(Top 82%)
6M6.00 mi2.00 mi3479+4942306+264541+422791(Top 42%)1949(Top 54%)477(Top 60%)
8M8.00 mi2.00 mi3082+3972119+187495+462236(Top 34%)1639(Top 45%)388(Top 49%)
9.6M9.60 mi1.60 mi3196-1142164-45513-183844(Top 58%)2325(Top 64%)548(Top 69%)
10M10.00 mi0.40 mi3136+602119+45506+72892(Top 44%)1932(Top 53%)453(Top 57%)
10.5M10.50 mi0.50 mi3139-32118+1505+13717(Top 57%)2398(Top 66%)560(Top 70%)
12M12.00 mi1.50 mi3029+1102052+66484+212631(Top 40%)1781(Top 49%)425(Top 53%)
Finish13.11 mi1.11 mi2961+682010+42483+12464(Top 37%)1685(Top 47%)395(Top 50%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 40%
~flat
+5ft-3ft

Overall

2631

Males

1781

M25-29

426

2M→4M

2.0 - 4.0 mi

Top 69%
×4story building
+67ft-69ft

Overall

4514

Males

2813

M25-29

651

4M→6M

4.0 - 6.0 mi

Top 42%
×9story building
+123ft-9ft

Overall

2791

Males

1949

M25-29

478

6M→8M

6.0 - 8.0 mi

Top 34%
×12story building
+166ft-53ft

Overall

2236

Males

1639

M25-29

389

8M→9.6M

8.0 - 9.6 mi

Top 58%
×13story building
+68ft-193ft

Overall

3844

Males

2325

M25-29

549

9.6M→10M

9.6 - 10.0 mi

Top 44%
×2story building
+0ft-24ft

Overall

2892

Males

1932

M25-29

454

10M→10.5M

10.0 - 10.5 mi

Top 57%
×6story building
+1ft-73ft

Overall

3717

Males

2398

M25-29

561

10.5M→12M

10.5 - 12.0 mi

Top 40%
×21story building
+280ft-26ft

Overall

2631

Males

1781

M25-29

426

12M→Finish

12.0 - 13.1 mi

Top 37%
×7story building
+14ft-89ft

Overall

2464

Males

1685

M25-29

395

Passing Analysis

Category:
Athletes Passed
1303*
Passed By
978
Net Change
+325
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3286
2M → 4M36723-687#3286#3973
4M → 6M497*3+494#3973#3479
6M → 8M408*11+397#3479#3082
8M → 9.6M52166-114#3082#3196
9.6M → 10M688+60#3196#3136
10M → 10.5M811-3#3136#3139
10.5M → 12M14939+110#3139#3029
12M → Finish85*17+68#3029#2961
TOTALS1303*978+325

* 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