Nelly Hadlaw

South San Francisco, CA

Bib: 15643 F 21

0:00
0:00
/ mi
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Overall
#0 / 5177
Top 18%
Gender (Female)
#0 / 2293
Top 9%
F20-29
#0 / 279
Top 15%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2.13M
10:30/mi
22:21
→ flat
13 ft elev
6.62M
8:49/mi
1:01:54
299780.9%
239 ft elev
7.12M
11:58/mi
1:07:53
271.0%
269 ft elev
10.65M
8:04/mi
1:36:22
1273601.3%
48 ft elev
Finish· 13.11 mi
7:48/mi
1:55:33
2441141.0%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:01:549:21 /mi+13.3%
2nd Half
53:398:16 /mi✓ faster
Negative split — 13.3% 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
22:2110:302.13 mi22:21
10:30
-
6.62M
1:01:549:214.49 mi39:33
8:49
-1:41
7.12M
1:07:539:320.50 mi5:59
11:58
+3:09
10.65M
1:36:229:033.53 mi28:29
8:04
-3:54
Finish(13.11 mi)
1:55:338:492.46 mi19:11
7:48
-0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:48 /mi

Average Pace

8:49 /mi

Slowest Pace

11:58 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

19:11

17% of race

Time at Steady Pace

1:08:02

59% of race

Time at Slower Pace

28:20

25% of race

Average Pace: 8:49 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2.13M2.13 mi6241251862412518
6.62M4.49 mi1036-412233-10845-27136034166
7.12M0.50 mi1059-23239-646-1146537081
10.65M3.53 mi999+60225+1442+491720438
Finish(13.11 mi)2.46 mi934+65216+941+179616827

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 12%
~flat
+6ft-3ft

Overall

624

Females

125

F20-24

18

2.13M→6.62M

2.1 - 6.6 mi

Top 26%
×19story building
+299ft-78ft

Overall

1360

Females

341

F20-24

66

6.62M→7.12M

6.6 - 7.1 mi

Top 28%
×2story building
+27ft-0ft

Overall

1465

Females

370

F20-24

81

7.12M→10.65M

7.1 - 10.7 mi

Top 18%
×21story building
+127ft-360ft

Overall

917

Females

204

F20-24

38

10.65M→Finish

10.7 - 13.1 mi

Top 15%
×17story building
+244ft-114ft

Overall

796

Females

168

F20-24

27

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2.13M-#624
2.13M6.62M
42412-412
#624 #1036
6.62M7.12M
4421-23
#1036 #1059
7.12M10.65M
3696+60
#1059 #999
10.65MFinish
1782*+65
#999 #934
TOTALS
521211*-310
#624 #934

* 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