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SF MARATHON 2ND HALF 2026

Xiaoxiao Ma

Bib: 23230•F•Age: 30

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 21%
Gender (Female)
#0 / 1760
Top 11%
Division (F30-34)
#0 / 408
Top 11%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
17:04
Rank: #811
Start → 2M
8:32/mi
17:04 split
4M
32:47
Rank: #756 (+55)
2M → 4M
7:52/mi
15:43 split
6M
53:45
Rank: #781 (-25)
4M → 6M
10:29/mi
20:58 split
8M
1:06:33
Rank: #764 (+17)
6M → 8M
6:24/mi
12:48 split
10M
1:24:05
Rank: #769 (-5)
8M → 10M
8:46/mi
17:32 split
12M
1:42:47
Rank: #789 (-20)
10M → 12M
9:21/mi
18:42 split
Finish· 13.11 mi
1:52:48
Rank: #800 (-11)
12M → Finish
9:02/mi
10:01 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:45
Pace8:58 /mi
2nd Half
Distance7.11 mi
Time59:03
Pace8:18 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:51:2117:048:3217:04
8:32
-
4M
4.00 mi09:07:0432:478:1215:43
7:52
-0:40
6M
6.00 mi09:28:0253:458:5820:58
10:29
+2:37
8M
8.00 mi09:40:501:06:338:1912:48
6:24
-4:05
10M
10.00 mi09:58:221:24:058:2517:32
8:46
+2:22
12M
12.00 mi10:17:041:42:478:3418:42
9:21
+0:35
Finish
13.11 mi10:27:051:52:488:3610:01
9:02
-0:19

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

6:24 /mi

Average Pace

8:36 /mi

Slowest Pace

10:29 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:31

25% of race

Time at Steady Pace

1:03:19

56% of race

Time at Slower Pace

20:58

19% of race

Average Pace: 8:36 /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 mi08:51:2117:048:3217:04
8:32
#811
4M
4.00 mi09:07:0432:478:1215:43
7:52
#756
6M
6.00 mi09:28:0253:458:5820:58
10:29
#781
8M
8.00 mi09:40:501:06:338:1912:48
6:24
#764
10M
10.00 mi09:58:221:24:058:2517:32
8:46
#769
12M
12.00 mi10:17:041:42:478:3418:42
9:21
#789
Finish
13.11 mi10:27:051:52:488:3610:01
9:02
#800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi81119135948(Top 25%)273(Top 16%)69(Top 17%)
4M4.00 mi2.00 mi756+55179+1232+3713(Top 19%)167(Top 9%)34(Top 8%)
6M6.00 mi2.00 mi781-25186-735-3859(Top 22%)211(Top 12%)42(Top 10%)
8M8.00 mi2.00 mi764+17180+635739(Top 19%)174(Top 10%)39(Top 10%)
10M10.00 mi2.00 mi769-5183-338-3794(Top 21%)195(Top 11%)44(Top 11%)
12M12.00 mi2.00 mi789-20193-1042-4948(Top 25%)273(Top 16%)69(Top 17%)
Finish13.11 mi1.11 mi800-11198-544-2979(Top 25%)287(Top 16%)75(Top 18%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 25%
×9stories
+138ft-68ft

Overall

948

Females

273

F30-34

69

2M→4M

2.0 - 4.0 mi

Top 19%
×13stories
+163ft-19ft

Overall

713

Females

167

F30-34

34

4M→6M

4.0 - 6.0 mi

Top 22%
×4stories
+55ft-83ft

Overall

859

Females

211

F30-34

42

6M→8M

6.0 - 8.0 mi

Top 19%
×10stories
+65ft-151ft

Overall

739

Females

174

F30-34

39

8M→10M

8.0 - 10.0 mi

Top 21%
×10stories
+61ft-174ft

Overall

794

Females

195

F30-34

44

10M→12M

10.0 - 12.0 mi

Top 25%
×3stories
+41ft-53ft

Overall

948

Females

273

F30-34

69

12M→Finish

12.0 - 13.1 mi

Top 25%
×1human
+6ft-6ft

Overall

979

Females

287

F30-34

75

Passing Analysis

Category:
Athletes Passed
169*
Passed By
158
Net Change
+11
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#811
2M → 4M7318+55#811#756
4M → 6M2651-25#756#781
6M → 8M258+17#781#764
8M → 10M24*29-5#764#769
10M → 12M1232-20#769#789
12M → Finish920-11#789#800
TOTALS169*158+11

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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