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SF MARATHON 2ND HALF 2026

Mikayla Chamberlin

Bib: 23381•F•Age: 24

Walnut Creek, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 16%
Gender (Female)
#0 / 1760
Top 8%
F20-29
#0 / 218
Top 13%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
16:51
Rank: #705
Start → 2M
8:25/mi
16:51 split
4M
32:17
Rank: #646 (+59)
2M → 4M
7:43/mi
15:26 split
6M
52:19
Rank: #620 (+26)
4M → 6M
10:01/mi
20:02 split
8M
1:04:45
Rank: #610 (+10)
6M → 8M
6:13/mi
12:26 split
10M
1:21:42
Rank: #602 (+8)
8M → 10M
8:29/mi
16:57 split
12M
1:39:34
Rank: #608 (-6)
10M → 12M
8:56/mi
17:52 split
Finish· 13.11 mi
1:49:32
Rank: #630 (-22)
12M → Finish
8:59/mi
9:58 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:19
Pace8:43 /mi
2nd Half
Distance7.11 mi
Time57:13
Pace8:03 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:53:1216:518:2516:51
8:25
-
4M
4.00 mi09:08:3832:178:0415:26
7:43
-0:42
6M
6.00 mi09:28:4052:198:4320:02
10:01
+2:18
8M
8.00 mi09:41:061:04:458:0612:26
6:13
-3:48
10M
10.00 mi09:58:031:21:428:1016:57
8:29
+2:16
12M
12.00 mi10:15:551:39:348:1817:52
8:56
+0:27
Finish
13.11 mi10:25:531:49:328:219:58
8:59
+0:03

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

6:13 /mi

Average Pace

8:21 /mi

Slowest Pace

10:01 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:52

25% of race

Time at Steady Pace

1:01:38

56% of race

Time at Slower Pace

20:02

18% of race

Average Pace: 8:21 /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 mi08:53:1216:518:2516:51
8:25
#705
4M
4.00 mi09:08:3832:178:0415:26
7:43
#646
6M
6.00 mi09:28:4052:198:4320:02
10:01
#620
8M
8.00 mi09:41:061:04:458:0612:26
6:13
#610
10M
10.00 mi09:58:031:21:428:1016:57
8:29
#602
12M
12.00 mi10:15:551:39:348:1817:52
8:56
#608
Finish
13.11 mi10:25:531:49:328:219:58
8:59
#630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi70515632695(Top 18%)180(Top 10%)32(Top 15%)
4M4.00 mi2.00 mi646+59150+631+1596(Top 16%)133(Top 8%)26(Top 12%)
6M6.00 mi2.00 mi620+26138+1227+4595(Top 15%)130(Top 7%)25(Top 11%)
8M8.00 mi2.00 mi610+10132+624+3602(Top 16%)136(Top 8%)25(Top 11%)
10M10.00 mi2.00 mi602+8131+126-2619(Top 16%)141(Top 8%)27(Top 12%)
12M12.00 mi2.00 mi608-6135-427-1695(Top 18%)180(Top 10%)32(Top 15%)
Finish13.11 mi1.11 mi630-22142-728-1957(Top 25%)276(Top 16%)46(Top 21%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 18%
×9story building
+138ft-68ft

Overall

695

Females

180

F20-24

32

2M→4M

2.0 - 4.0 mi

Top 16%
×13story building
+163ft-19ft

Overall

596

Females

133

F20-24

26

4M→6M

4.0 - 6.0 mi

Top 15%
×4story building
+55ft-83ft

Overall

595

Females

130

F20-24

25

6M→8M

6.0 - 8.0 mi

Top 16%
×10story building
+65ft-151ft

Overall

602

Females

136

F20-24

25

8M→10M

8.0 - 10.0 mi

Top 16%
×10story building
+61ft-174ft

Overall

619

Females

141

F20-24

27

10M→12M

10.0 - 12.0 mi

Top 18%
×3story building
+41ft-53ft

Overall

695

Females

180

F20-24

32

12M→Finish

12.0 - 13.1 mi

Top 25%
×1human
+6ft-6ft

Overall

957

Females

276

F20-24

46

Passing Analysis

Category:
Athletes Passed
180*
Passed By
105
Net Change
+75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#705
2M → 4M7718+59#705#646
4M → 6M3812+26#646#620
6M → 8M2010+10#620#610
8M → 10M22*14+8#610#602
10M → 12M2026-6#602#608
12M → Finish325-22#608#630
TOTALS180*105+75

* 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