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SF MARATHON 2ND HALF 2026

Jonathan Nguyen

Bib: 23997•M•Age: 26

Vienna, VA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 22%
Gender (Male)
#0 / 2065
Top 30%
Division (M25-29)
#0 / 503
Top 33%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
8:23/mi
16:47
↑ 138↓ 680.7%
4M
7:54/mi
32:34
↑ 1631.4%
6M
10:15/mi
53:04
↑ 55↓ 830.3%
8M
6:28/mi
1:06:00
↑ 65↓ 1510.8%
10M
8:40/mi
1:23:20
↑ 61↓ 1741.1%
12M
9:57/mi
1:43:15
↑ 41↓ 530.1%
Finish· 13.11 mi
9:28/mi
1:53:45
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:04
Pace8:51 /mi
2nd Half
Distance7.11 mi
Time1:00:41
Pace8:32 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:51:1416:478:2316:47
8:23
-
4M
4.00 mi09:07:0132:348:0915:47
7:54
-0:29
6M
6.00 mi09:27:3153:048:5120:30
10:15
+2:21
8M
8.00 mi09:40:271:06:008:1512:56
6:28
-3:47
10M
10.00 mi09:57:471:23:208:2017:20
8:40
+2:12
12M
12.00 mi10:17:421:43:158:3619:55
9:57
+1:17
Finish
13.11 mi10:28:121:53:458:4110:30
9:28
-0:29

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

6:28 /mi

Average Pace

8:41 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:43

25% of race

Time at Steady Pace

34:07

30% of race

Time at Slower Pace

50:55

45% of race

Average Pace: 8:41 /mi

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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 mi08:51:1416:478:2316:47
8:23
#680
4M
4.00 mi09:07:0132:348:0915:47
7:54
#704
6M
6.00 mi09:27:3153:048:5120:30
10:15
#715
8M
8.00 mi09:40:271:06:008:1512:56
6:28
#724
10M
10.00 mi09:57:471:23:208:2017:20
8:40
#715
12M
12.00 mi10:17:421:43:158:3619:55
9:57
#816
Finish
13.11 mi10:28:121:53:458:4110:30
9:28
#839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi6805261361312(Top 34%)894(Top 43%)242(Top 48%)
4M4.00 mi2.00 mi704-24538-12142-6752(Top 20%)563(Top 27%)152(Top 30%)
6M6.00 mi2.00 mi715-11543-5141+1728(Top 19%)556(Top 27%)146(Top 29%)
8M8.00 mi2.00 mi724-9551-8142-1809(Top 21%)607(Top 29%)159(Top 32%)
10M10.00 mi2.00 mi715+9546+5143-1736(Top 19%)561(Top 27%)155(Top 31%)
12M12.00 mi2.00 mi816-101611-65164-211312(Top 34%)894(Top 43%)242(Top 48%)
Finish13.11 mi1.11 mi839-23625-14166-21259(Top 33%)857(Top 42%)220(Top 44%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 34%
×9story building
+138ft-68ft

Overall

1312

Males

894

M25-29

242

2M→4M

2.0 - 4.0 mi

Top 20%
×13story building
+163ft-19ft

Overall

752

Males

563

M25-29

152

4M→6M

4.0 - 6.0 mi

Top 19%
×4story building
+55ft-83ft

Overall

728

Males

556

M25-29

146

6M→8M

6.0 - 8.0 mi

Top 21%
×10story building
+65ft-151ft

Overall

809

Males

607

M25-29

159

8M→10M

8.0 - 10.0 mi

Top 19%
×10story building
+61ft-174ft

Overall

736

Males

561

M25-29

155

10M→12M

10.0 - 12.0 mi

Top 34%
×3story building
+41ft-53ft

Overall

1312

Males

894

M25-29

242

12M→Finish

12.0 - 13.1 mi

Top 33%
×1human
+6ft-6ft

Overall

1259

Males

857

M25-29

220

Passing Analysis

Category:
Athletes Passed
110*
Passed By
269
Net Change
-159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#680
2M → 4M3256-24#680#704
4M → 6M2940-11#704#715
6M → 8M1625-9#715#724
8M → 10M24*15+9#724#715
10M → 12M2103-101#715#816
12M → Finish730-23#816#839
TOTALS110*269-159

* 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