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SF MARATHON 1ST HALF 2026

James Xu

SF, CA

Bib: 19441 M 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
9:25/mi
18:50
→ flat
12 ft elev
4M
11:25/mi
41:40
↑ 67↓ 69
10 ft elev
6M
11:27/mi
1:04:35
↑ 1231.1%
126 ft elev
8M
10:49/mi
1:26:14
↑ 166↓ 531.1%
246 ft elev
9.6M
10:49/mi
1:43:33
↑ 68↓ 1931.5%
126 ft elev
10M
22:17/mi
1:52:27
↓ 241.1%
90 ft elev
10.5M
5:32/mi
1:55:13
↓ 732.7%
18 ft elev
12M
18:33/mi
2:23:03
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:16/mi
2:35:33
↑ 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
Time1:04:35
Pace10:46 /mi
2nd Half
Distance7.11 mi
Time1:30:58
Pace12:48 /mi
📊Positive Split: 40.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:05:1318:509:2518:50
9:25
-
4M
4.00 mi07:28:0341:4010:2522:50
11:25
+2:00
6M
6.00 mi07:50:581:04:3510:4622:55
11:27
+0:02
8M
8.00 mi08:12:371:26:1410:4721:39
10:49
-0:38
9.6M
9.60 mi08:29:561:43:3310:4717:19
10:49
0:00
10M
10.00 mi08:38:501:52:2711:158:54
22:17
+11:28
10.5M
10.50 mi08:41:361:55:1310:582:46
5:32
-16:45
12M
12.00 mi09:09:262:23:0311:5527:50
18:33
+13:01
Finish
13.11 mi09:21:562:35:3311:5212:30
11:16
-7:17

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

5:32 /mi

Average Pace

11:52 /mi

Slowest Pace

22:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46

2% of race

Time at Steady Pace

1:56:03

75% of race

Time at Slower Pace

36:44

24% of race

Average Pace: 11:52 /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 mi07:05:1318:509:2518:50
9:25
#2137
4M
4.00 mi07:28:0341:4010:2522:50
11:25
#3567
6M
6.00 mi07:50:581:04:3510:4622:55
11:27
#3871
8M
8.00 mi08:12:371:26:1410:4721:39
10:49
#3660
9.6M
9.60 mi08:29:561:43:3310:4717:19
10:49
#3855
10M
10.00 mi08:38:501:52:2711:158:54
22:17
#3915
10.5M
10.50 mi08:41:361:55:1310:582:46
5:32
#3939
12M
12.00 mi09:09:262:23:0311:5527:50
18:33
#4391
Finish
13.11 mi09:21:562:35:3311:5212:30
11:16
#4356
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 69%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:40

Segment Time

12:58/mi

Pace

0.90 mi

Distance

Overall

4537

Men

2732

Division

287

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi213715461885707(Top 87%)3233(Top 89%)330(Top 92%)
4M4.00 mi2.00 mi3567-14302353-807271-834742(Top 72%)2906(Top 80%)314(Top 88%)
6M6.00 mi2.00 mi3871-3042518-165290-194460(Top 68%)2790(Top 77%)310(Top 87%)
8M8.00 mi2.00 mi3660+2112411+107273+173354(Top 51%)2263(Top 63%)253(Top 71%)
9.6M9.60 mi1.60 mi3855-1952500-89284-114875(Top 74%)2856(Top 79%)306(Top 85%)
10M10.00 mi0.40 mi3915-602522-22282+24649(Top 71%)2787(Top 77%)292(Top 82%)
10.5M10.50 mi0.50 mi3939-242533-112824479(Top 68%)2747(Top 76%)293(Top 82%)
12M12.00 mi1.50 mi4391-4522737-204297-155707(Top 87%)3233(Top 89%)330(Top 92%)
Finish13.11 mi1.11 mi4356+352717+20294+34308(Top 66%)2616(Top 72%)289(Top 81%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 87%
~flat
+5ft-3ft

Overall

5707

Males

3233

M20-24

331

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4742

Males

2906

M20-24

316

4M→6M

4.0 - 6.0 mi

Top 68%
×9story building
+123ft-9ft

Overall

4460

Males

2790

M20-24

313

6M→8M

6.0 - 8.0 mi

Top 51%
×12story building
+166ft-53ft

Overall

3354

Males

2263

M20-24

254

8M→9.6M

8.0 - 9.6 mi

Top 74%
×13story building
+68ft-193ft

Overall

4875

Males

2856

M20-24

307

9.6M→10M

9.6 - 10.0 mi

Top 71%
×2story building
+0ft-24ft

Overall

4649

Males

2787

M20-24

293

10M→10.5M

10.0 - 10.5 mi

Top 68%
×6story building
+1ft-73ft

Overall

4479

Males

2747

M20-24

294

10.5M→12M

10.5 - 12.0 mi

Top 87%
×21story building
+280ft-26ft

Overall

5707

Males

3233

M20-24

331

12M→Finish

12.0 - 13.1 mi

Top 66%
×7story building
+14ft-89ft

Overall

4308

Males

2616

M20-24

289

Passing Analysis

Category:
Athletes Passed
447*
Passed By
2666
Net Change
-2219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2137
2M → 4M21432-1430#2137#3567
4M → 6M41345-304#3567#3871
6M → 8M264*53+211#3871#3660
8M → 9.6M22217-195#3660#3855
9.6M → 10M3494-60#3855#3915
10M → 10.5M529-24#3915#3939
10.5M → 12M11*463-452#3939#4391
12M → Finish68*33+35#4391#4356
TOTALS447*2666-2219

* 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