Derek Kersey

San Francisco, CA

Bib: 14561 M 25

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 8%
Gender (Male)
#0 / 3619
Top 12%
Division (M25-29)
#0 / 796
Top 13%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
8:07/mi
16:15
→ flat
12 ft elev
4M
8:12/mi
32:39
6769
10 ft elev
6M
8:06/mi
48:52
1231.1%
126 ft elev
8M
7:49/mi
1:04:29
166531.1%
246 ft elev
9.6M
7:49/mi
1:16:59
681931.5%
126 ft elev
10M
14:03/mi
1:22:36
241.1%
90 ft elev
10.5M
3:44/mi
1:24:28
732.7%
18 ft elev
12M
11:19/mi
1:41:26
2803.2%
272 ft elev
Finish· 13.11 mi
7:50/mi
1:50:07
14891.3%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6M
48:528:09 /mi⚡ faster
2nd Half
1:01:158:37 /mi+25.3%
Positive split — 25.3% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
16:158:072.00 mi16:15
8:07
-
4M
32:398:102.00 mi16:24
8:12
+0:05
6M
48:528:092.00 mi16:13
8:06
-0:06
8M
1:04:298:042.00 mi15:37
7:49
-0:17
9.6M
1:16:598:011.60 mi12:30
7:49
0:00
10M
1:22:368:160.40 mi5:37
14:03
+6:14
10.5M
1:24:288:030.50 mi1:52
3:44
-10:19
12M
1:41:268:271.50 mi16:58
11:19
+7:35
Finish(13.11 mi)
1:50:078:241.11 mi8:41
7:50
-3:29
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

3:44 /mi

Average Pace

8:24 /mi

Slowest Pace

14:03 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:52

2% of race

Time at Steady Pace

1:25:40

78% of race

Time at Slower Pace

22:35

21% of race

Average Pace: 8:24 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 5%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:29

Segment Time

8:19/mi

Pace

0.90 mi

Distance

Overall

322

Men

277

Division

71

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi590497111784624147
4M2.00 mi579+11491+6113-2586493118
6M2.00 mi553+26467+24111+2555463105
8M2.00 mi469+84401+6692+1935530777
9.6M1.60 mi534-65451-50102-101343889207
10M0.40 mi511+23429+22100+239531879
10.5M0.50 mi503+8421+899+128024958
12M1.50 mi527-24437-16108-9784624147
Finish(13.11 mi)1.11 mi504+23423+14105+346839499

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 12%
~flat
+5ft-3ft

Overall

784

Males

624

M25-29

147

2M→4M

2.0 - 4.0 mi

Top 9%
×4story building
+67ft-69ft

Overall

586

Males

493

M25-29

118

4M→6M

4.0 - 6.0 mi

Top 8%
×9story building
+123ft-9ft

Overall

555

Males

463

M25-29

105

6M→8M

6.0 - 8.0 mi

Top 5%
×12story building
+166ft-53ft

Overall

355

Males

307

M25-29

77

8M→9.6M

8.0 - 9.6 mi

Top 20%
×13story building
+68ft-193ft

Overall

1343

Males

889

M25-29

207

9.6M→10M

9.6 - 10.0 mi

Top 6%
×2story building
+0ft-24ft

Overall

395

Males

318

M25-29

79

10M→10.5M

10.0 - 10.5 mi

Top 4%
×6story building
+1ft-73ft

Overall

280

Males

249

M25-29

58

10.5M→12M

10.5 - 12.0 mi

Top 12%
×21story building
+280ft-26ft

Overall

784

Males

624

M25-29

147

12M→Finish

12.0 - 13.1 mi

Top 7%
×7story building
+14ft-89ft

Overall

468

Males

394

M25-29

99

Passing Analysis

Category:
Athletes Passed
272*
Passed By
186
Net Change
+86
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#590
2M4M4534+11#590#579
4M6M4418+26#579#553
6M8M928+84#553#469
8M9.6M1378-65#469#534
9.6M10M252+23#534#511
10M10.5M80+8#511#503
10.5M12M1741-24#503#527
12MFinish28*5+23#527#504
TOTALS272*186+86

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

Passing Charts

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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

Race Place Events

Race Place Events