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SF MARATHON 2ND HALF 2026

Brooke Boneberg

Bib: 25857•F•Age: 19

Clayton, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
F19 & Under
#0 / 52
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
9:51/mi
19:43
↑ 138↓ 680.7%
4M
11:49/mi
43:21
↑ 1631.4%
6M
13:01/mi
1:09:24
↑ 55↓ 830.3%
8M
7:55/mi
1:25:15
↑ 65↓ 1510.8%
10M
11:03/mi
1:47:20
↑ 61↓ 1741.1%
12M
12:04/mi
2:11:29
↑ 41↓ 530.1%
Finish· 13.11 mi
10:45/mi
2:23:24
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:24
Pace11:34 /mi
2nd Half
Distance7.11 mi
Time1:14:00
Pace10:25 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:06:0419:439:5119:43
9:51
-
4M
4.00 mi09:29:4243:2110:5023:38
11:49
+1:58
6M
6.00 mi09:55:451:09:2411:3426:03
13:01
+1:12
8M
8.00 mi10:11:361:25:1510:3915:51
7:55
-5:06
10M
10.00 mi10:33:411:47:2010:4422:05
11:03
+3:08
12M
12.00 mi10:57:502:11:2910:5724:09
12:04
+1:01
Finish
13.11 mi11:09:452:23:2410:5611:55
10:45
-1:19

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

7:55 /mi

Average Pace

10:56 /mi

Slowest Pace

13:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:34

25% of race

Time at Steady Pace

57:38

40% of race

Time at Slower Pace

50:12

35% of race

Average Pace: 10:56 /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 mi09:06:0419:439:5119:43
9:51
#1920
4M
4.00 mi09:29:4243:2110:5023:38
11:49
#2761
6M
6.00 mi09:55:451:09:2411:3426:03
13:01
#2655
8M
8.00 mi10:11:361:25:1510:3915:51
7:55
#2573
10M
10.00 mi10:33:411:47:2010:4422:05
11:03
#2488
12M
12.00 mi10:57:502:11:2910:5724:09
12:04
#2478
Finish
13.11 mi11:09:452:23:2410:5611:55
10:45
#2425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2M2.00 mi2.00 mi1920649312469(Top 64%)986(Top 56%)38(Top 73%)
4M4.00 mi2.00 mi2761-8411092-44341-103210(Top 84%)1381(Top 78%)47(Top 90%)
6M6.00 mi2.00 mi2655+1061037+55412471(Top 64%)939(Top 53%)36(Top 69%)
8M8.00 mi2.00 mi2573+82992+4539+22178(Top 57%)777(Top 44%)33(Top 63%)
10M10.00 mi2.00 mi2488+85946+4637+22235(Top 58%)824(Top 47%)33(Top 63%)
12M12.00 mi2.00 mi2478+10945+1372469(Top 64%)986(Top 56%)38(Top 73%)
Finish13.11 mi1.11 mi2425+53924+21372022(Top 53%)759(Top 43%)32(Top 62%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 64%
×9story building
+138ft-68ft

Overall

2469

Females

986

F15-19

36

2M→4M

2.0 - 4.0 mi

Top 84%
×13story building
+163ft-19ft

Overall

3210

Females

1381

F15-19

45

4M→6M

4.0 - 6.0 mi

Top 64%
×4story building
+55ft-83ft

Overall

2471

Females

939

F15-19

34

6M→8M

6.0 - 8.0 mi

Top 57%
×10story building
+65ft-151ft

Overall

2178

Females

777

F15-19

31

8M→10M

8.0 - 10.0 mi

Top 58%
×10story building
+61ft-174ft

Overall

2235

Females

824

F15-19

31

10M→12M

10.0 - 12.0 mi

Top 64%
×3story building
+41ft-53ft

Overall

2469

Females

986

F15-19

36

12M→Finish

12.0 - 13.1 mi

Top 53%
×1human
+6ft-6ft

Overall

2022

Females

759

F15-19

30

Passing Analysis

Category:
Athletes Passed
426*
Passed By
931
Net Change
-505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1920
2M → 4M3844-841#1920#2761
4M → 6M13428+106#2761#2655
6M → 8M9412+82#2655#2573
8M → 10M90*5+85#2573#2488
10M → 12M4535+10#2488#2478
12M → Finish60*7+53#2478#2425
TOTALS426*931-505

* 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