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SF MARATHON 1ST HALF 2026

Nilabjo Dey

SF, CA

Bib: 19694 M 27

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
10:53/mi
21:47
→ flat
12 ft elev
4M
11:06/mi
43:58
↑ 67↓ 69
10 ft elev
6M
11:32/mi
1:07:02
↑ 1231.1%
126 ft elev
8M
10:43/mi
1:28:29
↑ 166↓ 531.1%
246 ft elev
9.6M
10:43/mi
1:45:38
↑ 68↓ 1931.5%
126 ft elev
10M
20:09/mi
1:53:41
↓ 241.1%
90 ft elev
10.5M
5:02/mi
1:56:12
↓ 732.7%
18 ft elev
12M
15:13/mi
2:19:01
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:28/mi
2:30:37
↑ 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
1:07:0211:10 /mi⚡ faster
2nd Half
1:23:3511:45 /mi+24.7%
Positive split — 24.7% 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
21:4710:532.00 mi21:47
10:53
-
4M
43:5811:002.00 mi22:11
11:06
+0:13
6M
1:07:0211:102.00 mi23:04
11:32
+0:26
8M
1:28:2911:042.00 mi21:27
10:43
-0:49
9.6M
1:45:3811:001.60 mi17:09
10:43
0:00
10M
1:53:4111:220.40 mi8:03
20:09
+9:26
10.5M
1:56:1211:040.50 mi2:31
5:02
-15:07
12M
2:19:0111:351.50 mi22:49
15:13
+10:11
Finish(13.11 mi)
2:30:3711:291.11 mi11:36
10:28
-4:45
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:02 /mi

Average Pace

11:29 /mi

Slowest Pace

20:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:31

2% of race

Time at Steady Pace

1:57:14

78% of race

Time at Slower Pace

30:52

20% of race

Average Pace: 11:29 /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 52%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:34

Segment Time

11:45/mi

Pace

0.90 mi

Distance

Overall

3390

Men

2209

Division

509

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi4541284364536922319541
4M2.00 mi4385+1562764+79634+1143382734631
6M2.00 mi4458-732797-33640-645362833659
8M2.00 mi4030+4282617+180599+4132212199509
9.6M1.60 mi4144-1142644-27610-1147562796646
10M0.40 mi4070+742601+43603+735552276522
10.5M0.50 mi4045+252585+16600+332532144512
12M1.50 mi3959+862532+53590+1036922319541
Finish(13.11 mi)1.11 mi3909+502498+34584+634332194523

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 56%
~flat
+5ft-3ft

Overall

3692

Males

2319

M25-29

542

2M→4M

2.0 - 4.0 mi

Top 66%
×4story building
+67ft-69ft

Overall

4338

Males

2734

M25-29

633

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4536

Males

2833

M25-29

661

6M→8M

6.0 - 8.0 mi

Top 49%
×12story building
+166ft-53ft

Overall

3221

Males

2199

M25-29

510

8M→9.6M

8.0 - 9.6 mi

Top 72%
×13story building
+68ft-193ft

Overall

4756

Males

2796

M25-29

647

9.6M→10M

9.6 - 10.0 mi

Top 54%
×2story building
+0ft-24ft

Overall

3555

Males

2276

M25-29

523

10M→10.5M

10.0 - 10.5 mi

Top 49%
×6story building
+1ft-73ft

Overall

3253

Males

2144

M25-29

513

10.5M→12M

10.5 - 12.0 mi

Top 56%
×21story building
+280ft-26ft

Overall

3692

Males

2319

M25-29

542

12M→Finish

12.0 - 13.1 mi

Top 52%
×7story building
+14ft-89ft

Overall

3433

Males

2194

M25-29

523

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4541
2M → 4M
99255+156
#4541 → #4385
4M → 6M
177104*-73
#4385 → #4458
6M → 8M
18446*+428
#4458 → #4030
8M → 9.6M
17763-114
#4030 → #4144
9.6M → 10M
983+74
#4144 → #4070
10M → 10.5M
126+25
#4070 → #4045
10.5M → 12M
56142*+86
#4045 → #3959
12M → Finish
1666*+50
#3959 → #3909
TOTALS
5531185*+632
#4541 → #3909

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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