Lucas Gelfond

San Francisco, CA

Bib: 15791 M 23

0:00
0:00
/ mi
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Overall
#0 / 5177
Top 41%
Gender (Male)
#0 / 2862
M20-29
#0 / 280
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2.13M
12:13/mi
26:01
→ flat
6.62M
9:48/mi
1:10:01
29978
7.12M
10:08/mi
1:15:05
27
10.65M
9:55/mi
1:50:04
127360
Finish· 13.11 mi
8:14/mi
2:10:18
244114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:10:0110:35 /mi+13.9%
2nd Half
1:00:179:17 /mi✓ faster
Negative split — 13.9% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2.13M
26:0112:132.13 mi26:01
12:13
-
6.62M
1:10:0110:354.49 mi44:00
9:48
-2:25
7.12M
1:15:0510:330.50 mi5:04
10:08
+0:20
10.65M
1:50:0410:203.53 mi34:59
9:55
-0:13
Finish(13.11 mi)
2:10:189:562.46 mi20:14
8:14
-1:41
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:14 /mi

Average Pace

9:56 /mi

Slowest Pace

12:13 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

20:14

16% of race

Time at Steady Pace

1:24:03

65% of race

Time at Slower Pace

26:01

20% of race

Average Pace: 9:56 /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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2.13M2.13 mi2269155018322691550183
6.62M4.49 mi2458-1891645-95191-825431676191
7.12M0.50 mi2181+2771510+135179+1243236160
10.65M3.53 mi2431-2501625-115190-1129561878215
Finish(13.11 mi)2.46 mi2120+3111449+176171+191202901124

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 44%
~flat
+6ft-3ft

Overall

2269

Males

1550

M20-24

183

2.13M→6.62M

2.1 - 6.6 mi

Top 49%
×19story building
+299ft-78ft

Overall

2543

Males

1676

M20-24

191

6.62M→7.12M

6.6 - 7.1 mi

Top 8%
×2story building
+27ft-0ft

Overall

432

Males

361

M20-24

60

7.12M→10.65M

7.1 - 10.7 mi

Top 57%
×21story building
+127ft-360ft

Overall

2956

Males

1878

M20-24

215

10.65M→Finish

10.7 - 13.1 mi

Top 23%
×17story building
+244ft-114ft

Overall

1202

Males

901

M20-24

124

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2.13M-#2269
2.13M6.62M
299110*-189
#2269 #2458
6.62M7.12M
0277+277
#2458 #2181
7.12M10.65M
27020*-250
#2181 #2431
10.65MFinish
1312*+311
#2431 #2120
TOTALS
570719*+149
#2269 #2120

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

Passing Visualized

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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