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SF MARATHON 1ST HALF 2026

Mark Ephraim Calumba

Lanham, MD

Bib: 18122 M 38

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:55/mi
21:51
→ flat
4M
11:24/mi
44:38
↑ 67↓ 69
6M
11:57/mi
1:08:33
↑ 123
8M
13:08/mi
1:34:50
↑ 166↓ 53
9.6M
9:49/mi
1:50:33
↑ 68↓ 193
10M
24:59/mi
2:00:32
↓ 24
10.5M
5:52/mi
2:03:28
↓ 73
12M
18:46/mi
2:31:37
↑ 280
Finish· 13.11 mi
12:29/mi
2:45:28
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:08:3311:26 /mi⚡ faster
2nd Half
1:36:5513:38 /mi+41.4%
Positive split — 41.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
21:5110:552.00 mi21:51
10:55
-
4M
44:3811:102.00 mi22:47
11:24
+0:29
6M
1:08:3311:262.00 mi23:55
11:57
+0:33
8M
1:34:5011:512.00 mi26:17
13:08
+1:11
9.6M
1:50:3311:311.60 mi15:43
9:49
-3:19
10M
2:00:3212:030.40 mi9:59
24:59
+15:10
10.5M
2:03:2811:460.50 mi2:56
5:52
-19:07
12M
2:31:3712:381.50 mi28:09
18:46
+12:54
Finish(13.11 mi)
2:45:2812:371.11 mi13:51
12:29
-6:17
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:52 /mi

Average Pace

12:37 /mi

Slowest Pace

24:59 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:56

2% of race

Time at Steady Pace

2:04:24

75% of race

Time at Slower Pace

38:08

23% of race

Average Pace: 12:37 /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 84%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:55

Segment Time

14:21/mi

Pace

0.90 mi

Distance

Overall

5493

Men

3159

Division

525

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi4592286747057823268536
4M2.00 mi4665-732899-32478-847212900475
6M2.00 mi4810-1452958-59486-850233055496
8M2.00 mi5059-2493086-128508-2255393262540
9.6M1.60 mi4878+1812987+99497+1137822297385
10M0.40 mi4972-943027-40498-156183200527
10.5M0.50 mi4976-43033-6499-151393026500
12M1.50 mi5200-2243109-76509-1057823268536
Finish(13.11 mi)1.11 mi5168+323085+24510-152533018489

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 88%
~flat
+5ft-3ft

Overall

5782

Males

3268

M35-39

536

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4721

Males

2900

M35-39

475

4M→6M

4.0 - 6.0 mi

Top 76%
×9story building
+123ft-9ft

Overall

5023

Males

3055

M35-39

496

6M→8M

6.0 - 8.0 mi

Top 84%
×12story building
+166ft-53ft

Overall

5539

Males

3262

M35-39

540

8M→9.6M

8.0 - 9.6 mi

Top 58%
×13story building
+68ft-193ft

Overall

3782

Males

2297

M35-39

385

9.6M→10M

9.6 - 10.0 mi

Top 85%
×2story building
+0ft-24ft

Overall

5618

Males

3200

M35-39

527

10M→10.5M

10.0 - 10.5 mi

Top 78%
×6story building
+1ft-73ft

Overall

5139

Males

3026

M35-39

500

10.5M→12M

10.5 - 12.0 mi

Top 88%
×21story building
+280ft-26ft

Overall

5782

Males

3268

M35-39

536

12M→Finish

12.0 - 13.1 mi

Top 80%
×7story building
+14ft-89ft

Overall

5253

Males

3018

M35-39

489

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4592
2M → 4M
227154-73
#4592 → #4665
4M → 6M
23186*-145
#4665 → #4810
6M → 8M
29849*-249
#4810 → #5059
8M → 9.6M
59240+181
#5059 → #4878
9.6M → 10M
11319-94
#4878 → #4972
10M → 10.5M
1612-4
#4972 → #4976
10.5M → 12M
25430*-224
#4976 → #5200
12M → Finish
3769*+32
#5200 → #5168
TOTALS
1235659*-576
#4592 → #5168

* 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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