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SF MARATHON 1ST HALF 2026

Iana Belitskaia

Bib: 13541•F•Age: 33

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 38%
Division (F30-34)
#0 / 651
Top 39%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
20:50
Rank: #3773
Start → 2M
20:50 | 10:25/mi
4M
41:55
Rank: #3674 (+99)
2M → 4M
21:05 | 10:33/mi
6M
1:02:58
Rank: #3488 (+186)
4M → 6M
21:03 | 10:31/mi
8M
1:27:30
Rank: #3870 (-382)
6M → 8M
24:32 | 12:16/mi
9.6M
1:40:51
Rank: #3511 (+359)
8M → 9.6M
13:21 | 8:21/mi
10M
1:48:48
Rank: #3491 (+20)
9.6M → 10M
7:57 | 19:54/mi
10.5M
1:51:27
Rank: #3495 (-4)
10M → 10.5M
2:39 | 5:18/mi
12M
2:12:47
Rank: #3364 (+131)
10.5M → 12M
21:20 | 14:13/mi
Finish· 13.11 mi
2:23:53
Rank: #3310 (+54)
12M → Finish
11:06 | 10:00/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:58
Pace10:30 /mi
2nd Half
Distance7.11 mi
Time1:20:55
Pace11:23 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:4520:5010:2520:50
10:25
-
4M
4.00 mi07:19:5041:5510:2921:05
10:33
+0:08
6M
6.00 mi07:40:531:02:5810:3021:03
10:31
-0:02
8M
8.00 mi08:05:251:27:3010:5624:32
12:16
+1:45
9.6M
9.60 mi08:18:461:40:5110:3013:21
8:21
-3:55
10M
10.00 mi08:26:431:48:4810:537:57
19:54
+11:33
10.5M
10.50 mi08:29:221:51:2710:372:39
5:18
-14:36
12M
12.00 mi08:50:422:12:4711:0421:20
14:13
+8:55
Finish
13.11 mi09:01:482:23:5310:5911:06
10:00
-4:13

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

5:18 /mi

Average Pace

10:59 /mi

Slowest Pace

19:54 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:00

11% of race

Time at Steady Pace

1:38:36

69% of race

Time at Slower Pace

29:17

20% of race

Average Pace: 10:59 /mi

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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 mi06:58:4520:5010:2520:50
10:25
#3773
4M
4.00 mi07:19:5041:5510:2921:05
10:33
#3674
6M
6.00 mi07:40:531:02:5810:3021:03
10:31
#3488
8M
8.00 mi08:05:251:27:3010:5624:32
12:16
#3870
9.6M
9.60 mi08:18:461:40:5110:3013:21
8:21
#3511
10M
10.00 mi08:26:431:48:4810:537:57
19:54
#3491
10.5M
10.50 mi08:29:221:51:2710:372:39
5:18
#3495
12M
12.00 mi08:50:422:12:4711:0421:20
14:13
#3364
Finish
13.11 mi09:01:482:23:5310:5911:06
10:00
#3310
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 52%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:36

Segment Time

11:47/mi

Pace

0.90 mi

Distance

Overall

3431

Women

1192

Division

273

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi377312972922928(Top 45%)979(Top 33%)217(Top 33%)
4M4.00 mi2.00 mi3674+991253+44284+83612(Top 55%)1221(Top 42%)273(Top 42%)
6M6.00 mi2.00 mi3488+1861170+83269+153359(Top 51%)1110(Top 38%)252(Top 39%)
8M8.00 mi2.00 mi3870-3821336-166317-484825(Top 73%)1818(Top 62%)422(Top 65%)
9.6M9.60 mi1.60 mi3511+3591172+164270+471920(Top 29%)644(Top 22%)131(Top 20%)
10M10.00 mi0.40 mi3491+201170+2267+33421(Top 52%)1198(Top 41%)266(Top 41%)
10.5M10.50 mi0.50 mi3495-41168+22673881(Top 59%)1392(Top 48%)307(Top 47%)
12M12.00 mi1.50 mi3364+1311124+44256+112928(Top 45%)979(Top 33%)217(Top 33%)
Finish13.11 mi1.11 mi3310+541099+25253+32867(Top 44%)956(Top 33%)207(Top 32%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 45%
~flat
+5ft-3ft

Overall

2928

Females

979

F30-34

218

2M→4M

2.0 - 4.0 mi

Top 55%
×4stories
+67ft-69ft

Overall

3612

Females

1221

F30-34

276

4M→6M

4.0 - 6.0 mi

Top 51%
×9stories
+123ft-9ft

Overall

3359

Females

1110

F30-34

254

6M→8M

6.0 - 8.0 mi

Top 73%
×12stories
+166ft-53ft

Overall

4825

Females

1818

F30-34

424

8M→9.6M

8.0 - 9.6 mi

Top 29%
×13stories
+68ft-193ft

Overall

1920

Females

644

F30-34

132

9.6M→10M

9.6 - 10.0 mi

Top 52%
×2stories
+0ft-24ft

Overall

3421

Females

1198

F30-34

268

10M→10.5M

10.0 - 10.5 mi

Top 59%
×6stories
+1ft-73ft

Overall

3881

Females

1392

F30-34

309

10.5M→12M

10.5 - 12.0 mi

Top 45%
×21stories
+280ft-26ft

Overall

2928

Females

979

F30-34

218

12M→Finish

12.0 - 13.1 mi

Top 44%
×7stories
+14ft-89ft

Overall

2867

Females

956

F30-34

207

Passing Analysis

Category:
Athletes Passed
1122*
Passed By
659
Net Change
+463
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3773
2M → 4M210111+99#3773#3674
4M → 6M227*41+186#3674#3488
6M → 8M17*399-382#3488#3870
8M → 9.6M37415+359#3870#3511
9.6M → 10M4828+20#3511#3491
10M → 10.5M913-4#3491#3495
10.5M → 12M16534+131#3495#3364
12M → Finish72*18+54#3364#3310
TOTALS1122*659+463

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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