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SF MARATHON 2ND HALF 2026

Klaire Tan

Bib: 22997•F•Age: 29

Palo Alto, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F25-29)
#0 / 495
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
21:46
Rank: #2745
Start → 2M
10:53/mi
21:46 split
4M
43:24
Rank: #2771 (-26)
2M → 4M
10:49/mi
21:38 split
6M
1:10:58
Rank: #2798 (-27)
4M → 6M
13:47/mi
27:34 split
8M
1:27:46
Rank: #2751 (+47)
6M → 8M
8:24/mi
16:48 split
10M
1:51:38
Rank: #2751
8M → 10M
11:56/mi
23:52 split
12M
2:17:46
Rank: #2789 (-38)
10M → 12M
13:04/mi
26:08 split
Finish· 13.11 mi
2:31:44
Rank: #2804 (-15)
12M → Finish
12:36/mi
13:58 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:10:58
Pace11:50 /mi
2nd Half
Distance7.11 mi
Time1:20:46
Pace11:22 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:12:5121:4610:5321:46
10:53
-
4M
4.00 mi09:34:2943:2410:5121:38
10:49
-0:04
6M
6.00 mi10:02:031:10:5811:5027:34
13:47
+2:58
8M
8.00 mi10:18:511:27:4610:5816:48
8:24
-5:23
10M
10.00 mi10:42:431:51:3811:1023:52
11:56
+3:32
12M
12.00 mi11:08:512:17:4611:2926:08
13:04
+1:08
Finish
13.11 mi11:22:492:31:4411:3413:58
12:36
-0:28

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

8:24 /mi

Average Pace

11:34 /mi

Slowest Pace

13:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:12

40% of race

Time at Steady Pace

37:50

25% of race

Time at Slower Pace

53:42

35% of race

Average Pace: 11:34 /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 mi09:12:5121:4610:5321:46
10:53
#2745
4M
4.00 mi09:34:2943:2410:5121:38
10:49
#2771
6M
6.00 mi10:02:031:10:5811:5027:34
13:47
#2798
8M
8.00 mi10:18:511:27:4610:5816:48
8:24
#2751
10M
10.00 mi10:42:431:51:3811:1023:52
11:56
#2751
12M
12.00 mi11:08:512:17:4611:2926:08
13:04
#2789
Finish
13.11 mi11:22:492:31:4411:3413:58
12:36
#2804
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi274510953062910(Top 76%)1220(Top 69%)360(Top 73%)
4M4.00 mi2.00 mi2771-261099-4310-42800(Top 73%)1121(Top 64%)321(Top 65%)
6M6.00 mi2.00 mi2798-271122-23319-92847(Top 74%)1153(Top 66%)335(Top 68%)
8M8.00 mi2.00 mi2751+471095+27313+62581(Top 67%)1005(Top 57%)306(Top 62%)
10M10.00 mi2.00 mi27511098-3315-22742(Top 71%)1105(Top 63%)332(Top 67%)
12M12.00 mi2.00 mi2789-381130-32329-142910(Top 76%)1220(Top 69%)360(Top 73%)
Finish13.11 mi1.11 mi2804-151143-13333-42930(Top 76%)1250(Top 71%)368(Top 74%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 76%
×9story building
+138ft-68ft

Overall

2910

Females

1220

F25-29

361

2M→4M

2.0 - 4.0 mi

Top 73%
×13story building
+163ft-19ft

Overall

2800

Females

1121

F25-29

321

4M→6M

4.0 - 6.0 mi

Top 74%
×4story building
+55ft-83ft

Overall

2847

Females

1153

F25-29

336

6M→8M

6.0 - 8.0 mi

Top 67%
×10story building
+65ft-151ft

Overall

2581

Females

1005

F25-29

307

8M→10M

8.0 - 10.0 mi

Top 71%
×10story building
+61ft-174ft

Overall

2742

Females

1105

F25-29

333

10M→12M

10.0 - 12.0 mi

Top 76%
×3story building
+41ft-53ft

Overall

2910

Females

1220

F25-29

361

12M→Finish

12.0 - 13.1 mi

Top 76%
×1human
+6ft-6ft

Overall

2930

Females

1250

F25-29

368

Passing Analysis

Category:
Athletes Passed
284*
Passed By
343
Net Change
-59
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2745
2M → 4M103129-26#2745#2771
4M → 6M5178-27#2771#2798
6M → 8M5710+47#2798#2751
8M → 10M30*300#2751#2751
10M → 12M2361-38#2751#2789
12M → Finish20*35-15#2789#2804
TOTALS284*343-59

* 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