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SF MARATHON 1ST HALF 2026

Mackie Bella

Bib: 19551•M•Age: 32

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M30-34)
#0 / 772
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
12:17/mi
24:34
→ flat
4M
11:46/mi
48:05
↑ 67↓ 69
6M
12:00/mi
1:12:05
↑ 1231.1%
8M
11:43/mi
1:35:31
↑ 166↓ 531.1%
9.6M
11:43/mi
1:54:16
↑ 68↓ 1931.5%
10M
19:56/mi
2:02:14
↓ 241.1%
10.5M
6:10/mi
2:05:19
↓ 732.7%
12M
16:40/mi
2:30:19
↑ 2803.2%
Finish· 13.11 mi
11:58/mi
2:43:35
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:12:05
Pace12:01 /mi
2nd Half
Distance7.11 mi
Time1:31:30
Pace12:52 /mi
📊Positive Split: 26.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:15:1224:3412:1724:34
12:17
-
4M
4.00 mi07:38:4348:0512:0123:31
11:46
-0:31
6M
6.00 mi08:02:431:12:0512:0124:00
12:00
+0:14
8M
8.00 mi08:26:091:35:3111:5623:26
11:43
-0:17
9.6M
9.60 mi08:44:541:54:1611:5418:45
11:43
0:00
10M
10.00 mi08:52:522:02:1412:137:58
19:56
+8:13
10.5M
10.50 mi08:55:572:05:1911:563:05
6:10
-13:46
12M
12.00 mi09:20:572:30:1912:3225:00
16:40
+10:30
Finish
13.11 mi09:34:132:43:3512:2913:16
11:58
-4:42

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

6:10 /mi

Average Pace

12:29 /mi

Slowest Pace

19:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05

2% of race

Time at Steady Pace

2:07:32

78% of race

Time at Slower Pace

32:58

20% of race

Average Pace: 12:29 /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 mi07:15:1224:3412:1724:34
12:17
#6099
4M
4.00 mi07:38:4348:0512:0123:31
11:46
#5701
6M
6.00 mi08:02:431:12:0512:0124:00
12:00
#5455
8M
8.00 mi08:26:091:35:3111:5623:26
11:43
#5170
9.6M
9.60 mi08:44:541:54:1611:5418:45
11:43
#5298
10M
10.00 mi08:52:522:02:1412:137:58
19:56
#5170
10.5M
10.50 mi08:55:572:05:1911:563:05
6:10
#5175
12M
12.00 mi09:20:572:30:1912:3225:00
16:40
#5088
Finish
13.11 mi09:34:132:43:3512:2913:16
11:58
#5031
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 60%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:03

Segment Time

12:17/mi

Pace

0.90 mi

Distance

Overall

3947

Men

2480

Division

541

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi609934677374655(Top 71%)2788(Top 77%)601(Top 78%)
4M4.00 mi2.00 mi5701+3983325+142710+275197(Top 79%)3112(Top 86%)662(Top 86%)
6M6.00 mi2.00 mi5455+2463236+89694+165079(Top 77%)3079(Top 85%)665(Top 86%)
8M8.00 mi2.00 mi5170+2853132+104664+304288(Top 65%)2733(Top 76%)589(Top 76%)
9.6M9.60 mi1.60 mi5298-1283169-37679-155632(Top 86%)3213(Top 89%)696(Top 90%)
10M10.00 mi0.40 mi5170+1283119+50671+83447(Top 52%)2222(Top 61%)488(Top 63%)
10.5M10.50 mi0.50 mi5175-53115+4672-15565(Top 85%)3205(Top 89%)678(Top 88%)
12M12.00 mi1.50 mi5088+873059+56662+104655(Top 71%)2788(Top 77%)601(Top 78%)
Finish13.11 mi1.11 mi5031+573026+33652+104898(Top 74%)2860(Top 79%)612(Top 79%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
~flat
+5ft-3ft

Overall

4655

Males

2788

M30-34

603

2M→4M

2.0 - 4.0 mi

Top 79%
×4story building
+67ft-69ft

Overall

5197

Males

3112

M30-34

665

4M→6M

4.0 - 6.0 mi

Top 77%
×9story building
+123ft-9ft

Overall

5079

Males

3079

M30-34

667

6M→8M

6.0 - 8.0 mi

Top 65%
×12story building
+166ft-53ft

Overall

4288

Males

2733

M30-34

591

8M→9.6M

8.0 - 9.6 mi

Top 86%
×13story building
+68ft-193ft

Overall

5632

Males

3213

M30-34

698

9.6M→10M

9.6 - 10.0 mi

Top 52%
×2story building
+0ft-24ft

Overall

3447

Males

2222

M30-34

489

10M→10.5M

10.0 - 10.5 mi

Top 85%
×6story building
+1ft-73ft

Overall

5565

Males

3205

M30-34

680

10.5M→12M

10.5 - 12.0 mi

Top 71%
×21story building
+280ft-26ft

Overall

4655

Males

2788

M30-34

603

12M→Finish

12.0 - 13.1 mi

Top 74%
×7story building
+14ft-89ft

Overall

4898

Males

2860

M30-34

612

Passing Analysis

Category:
Athletes Passed
1418*
Passed By
350
Net Change
+1068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6099
2M → 4M410*12+398#6099#5701
4M → 6M266*20+246#5701#5455
6M → 8M305*20+285#5455#5170
8M → 9.6M53181-128#5170#5298
9.6M → 10M13810+128#5298#5170
10M → 10.5M1015-5#5170#5175
10.5M → 12M156*69+87#5175#5088
12M → Finish80*23+57#5088#5031
TOTALS1418*350+1068

* 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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Questions or issues regarding timing data?

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events