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SF MARATHON 2ND HALF 2026

Mengxi Tan

Bib: 22916•F•Age: 23

Los Angeles, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
F20-29
#0 / 218
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
11:08/mi
22:16
↑ 138↓ 680.7%
4M
10:11/mi
42:38
↑ 1631.4%
6M
12:53/mi
1:08:25
↑ 55↓ 830.3%
8M
8:14/mi
1:24:53
↑ 65↓ 1510.8%
10M
11:43/mi
1:48:18
↑ 61↓ 1741.1%
12M
11:43/mi
2:11:43
↑ 41↓ 530.1%
Finish· 13.11 mi
13:53/mi
2:27:07
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:25
Pace11:24 /mi
2nd Half
Distance7.11 mi
Time1:18:42
Pace11:04 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:09:0822:1611:0822:16
11:08
-
4M
4.00 mi09:29:3042:3810:4020:22
10:11
-0:57
6M
6.00 mi09:55:171:08:2511:2425:47
12:53
+2:42
8M
8.00 mi10:11:451:24:5310:3716:28
8:14
-4:39
10M
10.00 mi10:35:101:48:1810:5023:25
11:43
+3:29
12M
12.00 mi10:58:352:11:4310:5923:25
11:43
0:00
Finish
13.11 mi11:13:592:27:0711:1315:24
13:53
+2:10

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

8:14 /mi

Average Pace

11:13 /mi

Slowest Pace

13:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:50

25% of race

Time at Steady Pace

1:09:06

47% of race

Time at Slower Pace

41:11

28% of race

Average Pace: 11:13 /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 mi09:09:0822:1611:0822:16
11:08
#2900
4M
4.00 mi09:29:3042:3810:4020:22
10:11
#2650
6M
6.00 mi09:55:171:08:2511:2425:47
12:53
#2561
8M
8.00 mi10:11:451:24:5310:3716:28
8:14
#2537
10M
10.00 mi10:35:101:48:1810:5023:25
11:43
#2552
12M
12.00 mi10:58:352:11:4310:5923:25
11:43
#2495
Finish
13.11 mi11:13:592:27:0711:1315:24
13:53
#2623
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi290011841682305(Top 60%)900(Top 51%)121(Top 56%)
4M4.00 mi2.00 mi2650+2501034+150147+212472(Top 64%)944(Top 54%)129(Top 59%)
6M6.00 mi2.00 mi2561+89989+45139+82390(Top 62%)895(Top 51%)127(Top 58%)
8M8.00 mi2.00 mi2537+24969+20135+42435(Top 63%)925(Top 53%)130(Top 60%)
10M10.00 mi2.00 mi2552-15987-18137-22610(Top 68%)1034(Top 59%)137(Top 63%)
12M12.00 mi2.00 mi2495+57959+28131+62305(Top 60%)900(Top 51%)121(Top 56%)
Finish13.11 mi1.11 mi2623-1281038-79141-103281(Top 85%)1443(Top 82%)190(Top 87%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 60%
×9story building
+138ft-68ft

Overall

2305

Females

900

F20-24

121

2M→4M

2.0 - 4.0 mi

Top 64%
×13story building
+163ft-19ft

Overall

2472

Females

944

F20-24

129

4M→6M

4.0 - 6.0 mi

Top 62%
×4story building
+55ft-83ft

Overall

2390

Females

895

F20-24

127

6M→8M

6.0 - 8.0 mi

Top 63%
×10story building
+65ft-151ft

Overall

2435

Females

925

F20-24

130

8M→10M

8.0 - 10.0 mi

Top 68%
×10story building
+61ft-174ft

Overall

2610

Females

1034

F20-24

137

10M→12M

10.0 - 12.0 mi

Top 60%
×3story building
+41ft-53ft

Overall

2305

Females

900

F20-24

121

12M→Finish

12.0 - 13.1 mi

Top 85%
×1human
+6ft-6ft

Overall

3281

Females

1443

F20-24

190

Passing Analysis

Category:
Athletes Passed
552*
Passed By
275
Net Change
+277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2900
2M → 4M26616+250#2900#2650
4M → 6M11627+89#2650#2561
6M → 8M5531+24#2561#2537
8M → 10M35*50-15#2537#2552
10M → 12M7417+57#2552#2495
12M → Finish6*134-128#2495#2623
TOTALS552*275+277

* 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