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SF MARATHON 1ST HALF 2026

Keith Nykamp

Berkeley, CA

Bib: 12788 M 52

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 2%
Gender (Male)
#0 / 3619
Top 4%
Masters (Masters Men)
#0 / 1030
Top 2%
Division (M50-54)
#0 / 196
Top 2%
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
7:26/mi
14:53
→ flat
12 ft elev
4M
7:36/mi
30:04
↑ 67↓ 69
10 ft elev
6M
7:32/mi
45:09
↑ 1231.1%
126 ft elev
8M
7:06/mi
59:22
↑ 166↓ 531.1%
246 ft elev
9.6M
7:06/mi
1:10:44
↑ 68↓ 1931.5%
126 ft elev
10M
13:38/mi
1:16:11
↓ 241.1%
90 ft elev
10.5M
3:44/mi
1:18:03
↓ 732.7%
18 ft elev
12M
9:45/mi
1:32:40
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:05/mi
1:40:31
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
45:097:32 /mi⚡ faster
2nd Half
55:227:47 /mi+22.6%
Positive split — 22.6% 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
14:537:262.00 mi14:53
7:26
-
4M
30:047:312.00 mi15:11
7:36
+0:10
6M
45:097:322.00 mi15:05
7:32
-0:04
8M
59:227:252.00 mi14:13
7:06
-0:26
9.6M
1:10:447:221.60 mi11:22
7:06
0:00
10M
1:16:117:370.40 mi5:27
13:38
+6:32
10.5M
1:18:037:260.50 mi1:52
3:44
-9:54
12M
1:32:407:431.50 mi14:37
9:45
+6:01
Finish(13.11 mi)
1:40:317:401.11 mi7:51
7:05
-2:40
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

7:40 /mi

Slowest Pace

13:38 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:52

2% of race

Time at Steady Pace

1:18:35

78% of race

Time at Slower Pace

20:04

20% of race

Average Pace: 7:40 /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 4%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:19

Segment Time

8:08/mi

Pace

0.90 mi

Distance

Overall

236

Men

210

Division

5

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi22420261861566
4M2.00 mi222+2200+25+12211944
6M2.00 mi213+9190+1052111843
8M2.00 mi165+48153+374+11251144
9.6M1.60 mi187-22170-17474954725
10M0.40 mi188-1169+142932379
10.5M0.50 mi191-3171-242562334
12M1.50 mi180+11159+1241861566
Finish(13.11 mi)1.11 mi159+21147+1241381332

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 3%
~flat
+5ft-3ft

Overall

186

Males

156

M50-54

6

2M→4M

2.0 - 4.0 mi

Top 3%
×4story building
+67ft-69ft

Overall

221

Males

194

M50-54

4

4M→6M

4.0 - 6.0 mi

Top 3%
×9story building
+123ft-9ft

Overall

211

Males

184

M50-54

3

6M→8M

6.0 - 8.0 mi

Top 2%
×12story building
+166ft-53ft

Overall

125

Males

114

M50-54

4

8M→9.6M

8.0 - 9.6 mi

Top 11%
×13story building
+68ft-193ft

Overall

749

Males

547

M50-54

25

9.6M→10M

9.6 - 10.0 mi

Top 4%
×2story building
+0ft-24ft

Overall

293

Males

237

M50-54

9

10M→10.5M

10.0 - 10.5 mi

Top 4%
×6story building
+1ft-73ft

Overall

256

Males

233

M50-54

4

10.5M→12M

10.5 - 12.0 mi

Top 3%
×21story building
+280ft-26ft

Overall

186

Males

156

M50-54

6

12M→Finish

12.0 - 13.1 mi

Top 2%
×7story building
+14ft-89ft

Overall

138

Males

133

M50-54

2

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#224
2M → 4M
1517+2
#224 → #222
4M → 6M
1120+9
#222 → #213
6M → 8M
452+48
#213 → #165
8M → 9.6M
242-22
#165 → #187
9.6M → 10M
54-1
#187 → #188
10M → 10.5M
41-3
#188 → #191
10.5M → 12M
1122+11
#191 → #180
12M → Finish
324*+21
#180 → #159
TOTALS
77142*+65
#224 → #159

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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