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SF MARATHON 1ST HALF 2026

Bart Niessen

Bib: 15965•M•Age: 44

Venlo

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
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
10:23/mi
20:47
→ flat
4M
10:41/mi
42:09
↑ 67↓ 69
6M
12:05/mi
1:06:20
↑ 1231.1%
8M
11:42/mi
1:29:43
↑ 166↓ 531.1%
9.6M
11:42/mi
1:48:26
↑ 68↓ 1931.5%
10M
21:21/mi
1:56:58
↓ 241.1%
10.5M
5:22/mi
1:59:39
↓ 732.7%
12M
18:23/mi
2:27:13
↑ 2803.2%
Finish· 13.11 mi
12:06/mi
2:40:38
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:20
Pace11:03 /mi
2nd Half
Distance7.11 mi
Time1:34:18
Pace13:16 /mi
📊Positive Split: 42.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:06:5020:4710:2320:47
10:23
-
4M
4.00 mi07:28:1242:0910:3221:22
10:41
+0:18
6M
6.00 mi07:52:231:06:2011:0324:11
12:05
+1:24
8M
8.00 mi08:15:461:29:4311:1323:23
11:42
-0:23
9.6M
9.60 mi08:34:291:48:2611:1818:43
11:42
0:00
10M
10.00 mi08:43:011:56:5811:428:32
21:21
+9:39
10.5M
10.50 mi08:45:421:59:3911:242:41
5:22
-15:59
12M
12.00 mi09:13:162:27:1312:1627:34
18:23
+13:01
Finish
13.11 mi09:26:412:40:3812:1513:25
12:06
-6:17

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

5:22 /mi

Average Pace

12:15 /mi

Slowest Pace

21:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41

2% of race

Time at Steady Pace

2:01:51

76% of race

Time at Slower Pace

36:06

22% of race

Average Pace: 12:15 /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 mi07:06:5020:4710:2320:47
10:23
#3737
4M
4.00 mi07:28:1242:0910:3221:22
10:41
#3751
6M
6.00 mi07:52:231:06:2011:0324:11
12:05
#4254
8M
8.00 mi08:15:461:29:4311:1323:23
11:42
#4242
9.6M
9.60 mi08:34:291:48:2611:1818:43
11:42
#4579
10M
10.00 mi08:43:011:56:5811:428:32
21:21
#4522
10.5M
10.50 mi08:45:421:59:3911:242:41
5:22
#4507
12M
12.00 mi09:13:162:27:1312:1627:34
18:23
#4803
Finish
13.11 mi09:26:412:40:3812:1513:25
12:06
#4782
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 63%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:13

Segment Time

12:28/mi

Pace

0.90 mi

Distance

Overall

4134

Men

2565

Division

214

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi373724462105622(Top 86%)3196(Top 88%)273(Top 86%)
4M4.00 mi2.00 mi3751-142452-6203+73823(Top 58%)2487(Top 69%)208(Top 65%)
6M6.00 mi2.00 mi4254-5032712-260226-235166(Top 79%)3113(Top 86%)266(Top 83%)
8M8.00 mi2.00 mi4242+122724-12232-64265(Top 65%)2720(Top 75%)227(Top 71%)
9.6M9.60 mi1.60 mi4579-3372849-125241-95618(Top 85%)3205(Top 89%)273(Top 86%)
10M10.00 mi0.40 mi4522+572815+34240+14237(Top 64%)2604(Top 72%)220(Top 69%)
10.5M10.50 mi0.50 mi4507+152805+10239+14092(Top 62%)2571(Top 71%)214(Top 67%)
12M12.00 mi1.50 mi4803-2962931-126251-125622(Top 86%)3196(Top 88%)273(Top 86%)
Finish13.11 mi1.11 mi4782+212920+11248+34986(Top 76%)2896(Top 80%)243(Top 76%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 86%
~flat
+5ft-3ft

Overall

5622

Males

3196

M40-44

273

2M→4M

2.0 - 4.0 mi

Top 58%
×4story building
+67ft-69ft

Overall

3823

Males

2487

M40-44

208

4M→6M

4.0 - 6.0 mi

Top 79%
×9story building
+123ft-9ft

Overall

5166

Males

3113

M40-44

266

6M→8M

6.0 - 8.0 mi

Top 65%
×12story building
+166ft-53ft

Overall

4265

Males

2720

M40-44

227

8M→9.6M

8.0 - 9.6 mi

Top 85%
×13story building
+68ft-193ft

Overall

5618

Males

3205

M40-44

273

9.6M→10M

9.6 - 10.0 mi

Top 64%
×2story building
+0ft-24ft

Overall

4237

Males

2604

M40-44

220

10M→10.5M

10.0 - 10.5 mi

Top 62%
×6story building
+1ft-73ft

Overall

4092

Males

2571

M40-44

214

10.5M→12M

10.5 - 12.0 mi

Top 86%
×21story building
+280ft-26ft

Overall

5622

Males

3196

M40-44

273

12M→Finish

12.0 - 13.1 mi

Top 76%
×7story building
+14ft-89ft

Overall

4986

Males

2896

M40-44

243

Passing Analysis

Category:
Athletes Passed
568*
Passed By
1613
Net Change
-1045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3737
2M → 4M163177-14#3737#3751
4M → 6M17*520-503#3751#4254
6M → 8M183*171+12#4254#4242
8M → 9.6M7344-337#4242#4579
9.6M → 10M8528+57#4579#4522
10M → 10.5M238+15#4522#4507
10.5M → 12M23*319-296#4507#4803
12M → Finish67*46+21#4803#4782
TOTALS568*1613-1045

* 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