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SF MARATHON 1ST HALF 2026

Krishna Boni

Bib: 12326•M•Age: 37

Santa Clara, CA

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

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:46/mi
19:33
→ flat
4M
10:11/mi
39:54
↑ 67↓ 69
6M
10:04/mi
1:00:03
↑ 1231.1%
8M
10:41/mi
1:21:25
↑ 166↓ 531.1%
9.6M
10:41/mi
1:38:30
↑ 68↓ 1931.5%
10M
23:29/mi
1:47:53
↓ 241.1%
10.5M
5:08/mi
1:50:27
↓ 732.7%
12M
16:43/mi
2:15:32
↑ 2803.2%
Finish· 13.11 mi
11:34/mi
2:28:22
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:03
Pace10:01 /mi
2nd Half
Distance7.11 mi
Time1:28:19
Pace12:25 /mi
📊Positive Split: 47.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:5519:339:4619:33
9:46
-
4M
4.00 mi07:17:1639:549:5920:21
10:11
+0:25
6M
6.00 mi07:37:251:00:0310:0120:09
10:04
-0:07
8M
8.00 mi07:58:471:21:2510:1121:22
10:41
+0:37
9.6M
9.60 mi08:15:521:38:3010:1617:05
10:41
0:00
10M
10.00 mi08:25:151:47:5310:479:23
23:29
+12:48
10.5M
10.50 mi08:27:491:50:2710:312:34
5:08
-18:21
12M
12.00 mi08:52:542:15:3211:1825:05
16:43
+11:35
Finish
13.11 mi09:05:442:28:2211:1912:50
11:34
-5:09

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:08 /mi

Average Pace

11:19 /mi

Slowest Pace

23:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34

2% of race

Time at Steady Pace

1:51:20

75% of race

Time at Slower Pace

34:28

23% of race

Average Pace: 11:19 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi06:56:5519:339:4619:33
9:46
#2688
4M
4.00 mi07:17:1639:549:5920:21
10:11
#2826
6M
6.00 mi07:37:251:00:0310:0120:09
10:04
#2774
8M
8.00 mi07:58:471:21:2510:1121:22
10:41
#2891
9.6M
9.60 mi08:15:521:38:3010:1617:05
10:41
#3204
10M
10.00 mi08:25:151:47:5310:479:23
23:29
#3369
10.5M
10.50 mi08:27:491:50:2710:312:34
5:08
#3364
12M
12.00 mi08:52:542:15:3211:1825:05
16:43
#3631
Finish
13.11 mi09:05:442:28:2211:1912:50
11:34
#3702
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 73%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:57

Segment Time

13:17/mi

Pace

0.90 mi

Distance

Overall

4794

Men

2864

Division

480

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi268818803234679(Top 71%)2801(Top 77%)467(Top 80%)
4M4.00 mi2.00 mi2826-1381948-68332-93074(Top 47%)2091(Top 58%)354(Top 61%)
6M6.00 mi2.00 mi2774+521918+30325+72777(Top 42%)1941(Top 54%)328(Top 56%)
8M8.00 mi2.00 mi2891-1172007-89340-153184(Top 48%)2172(Top 60%)368(Top 63%)
9.6M9.60 mi1.60 mi3204-3132169-162372-324727(Top 72%)2779(Top 77%)460(Top 79%)
10M10.00 mi0.40 mi3369-1652247-78382-105157(Top 78%)3026(Top 84%)501(Top 86%)
10.5M10.50 mi0.50 mi3364+52245+2381+13520(Top 54%)2290(Top 63%)382(Top 66%)
12M12.00 mi1.50 mi3631-2672375-130403-224679(Top 71%)2801(Top 77%)467(Top 80%)
Finish13.11 mi1.11 mi3702-712406-31407-44569(Top 69%)2730(Top 75%)452(Top 78%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
~flat
+5ft-3ft

Overall

4679

Males

2801

M35-39

467

2M→4M

2.0 - 4.0 mi

Top 47%
×4story building
+67ft-69ft

Overall

3074

Males

2091

M35-39

354

4M→6M

4.0 - 6.0 mi

Top 42%
×9story building
+123ft-9ft

Overall

2777

Males

1941

M35-39

328

6M→8M

6.0 - 8.0 mi

Top 48%
×12story building
+166ft-53ft

Overall

3184

Males

2172

M35-39

368

8M→9.6M

8.0 - 9.6 mi

Top 72%
×13story building
+68ft-193ft

Overall

4727

Males

2779

M35-39

460

9.6M→10M

9.6 - 10.0 mi

Top 78%
×2story building
+0ft-24ft

Overall

5157

Males

3026

M35-39

501

10M→10.5M

10.0 - 10.5 mi

Top 54%
×6story building
+1ft-73ft

Overall

3520

Males

2290

M35-39

382

10.5M→12M

10.5 - 12.0 mi

Top 71%
×21story building
+280ft-26ft

Overall

4679

Males

2801

M35-39

467

12M→Finish

12.0 - 13.1 mi

Top 69%
×7story building
+14ft-89ft

Overall

4569

Males

2730

M35-39

452

Passing Analysis

Category:
Athletes Passed
403*
Passed By
1417
Net Change
-1014
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2688
2M → 4M104242-138#2688#2826
4M → 6M13179+52#2826#2774
6M → 8M88*205-117#2774#2891
8M → 9.6M4317-313#2891#3204
9.6M → 10M9174-165#3204#3369
10M → 10.5M149+5#3369#3364
10.5M → 12M18285-267#3364#3631
12M → Finish35*106-71#3631#3702
TOTALS403*1417-1014

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

📊

Passing Visuals

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

Race Place Events

Race Place Events