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SF MARATHON 2026

Matthew Krei

Bib: 11109•M•Age: 31

Spring Valley, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 16%
Gender (Male)
#0 / 5052
Top 19%
Division (M30-34)
#0 / 1040
Top 20%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
17:31
Rank: #1776
Start → 2M
17:31 | 8:45/mi
4M
34:39
Rank: #1584 (+192)
2M → 4M
17:08 | 8:34/mi
6M
51:25
Rank: #1425 (+159)
4M → 6M
16:46 | 8:23/mi
8M
1:07:48
Rank: #1320 (+105)
6M → 8M
16:23 | 8:11/mi
9.6M
1:21:20
Rank: #1239 (+81)
8M → 9.6M
13:32 | 8:27/mi
10M
1:23:37
Rank: #1225 (+14)
9.6M → 10M
2:17 | 5:43/mi
10.5M
1:29:04
Rank: #1194 (+31)
10M → 10.5M
5:27 | 10:54/mi
12M
1:41:07
Rank: #1184 (+10)
10.5M → 12M
12:03 | 8:02/mi
14M
1:58:26
Rank: #1103 (+81)
12M → 14M
17:19 | 8:39/mi
16M
2:11:46
Rank: #984 (+119)
14M → 16M
13:20 | 6:40/mi
18M
2:31:04
Rank: #1045 (-61)
16M → 18M
19:18 | 9:39/mi
20M
2:48:44
Rank: #1036 (+9)
18M → 20M
17:40 | 8:50/mi
22M
3:06:10
Rank: #1081 (-45)
20M → 22M
17:26 | 8:43/mi
24M
3:26:41
Rank: #1120 (-39)
22M → 24M
20:31 | 10:16/mi
Finish· 26.22 mi
3:47:39
Rank: #1134 (-14)
24M → Finish
20:58 | 9:27/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time1:58:26
Pace8:28 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:49:13
Pace8:56 /mi
📊Negative Split: 7.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:34:3517:318:4517:31
8:45
-
4M
4.00 mi05:51:4334:398:4017:08
8:34
-0:11
6M
6.00 mi06:08:2951:258:3416:46
8:23
-0:11
8M
8.00 mi06:24:521:07:488:2816:23
8:11
-0:12
9.6M
9.60 mi06:38:241:21:208:2813:32
8:27
+0:16
10M
10.00 mi06:40:411:23:378:222:17
5:43
-2:44
10.5M
10.50 mi06:46:081:29:048:295:27
10:54
+5:11
12M
12.00 mi06:58:111:41:078:2612:03
8:02
-2:52
14M
14.00 mi07:15:301:58:268:2817:19
8:39
+0:37
16M
16.00 mi07:28:502:11:468:1413:20
6:40
-1:59
18M
18.00 mi07:48:082:31:048:2419:18
9:39
+2:59
20M
20.00 mi08:05:482:48:448:2617:40
8:50
-0:49
22M
22.00 mi08:23:143:06:108:2817:26
8:43
-0:07
24M
24.00 mi08:43:453:26:418:3720:31
10:16
+1:33
Finish
26.22 mi09:04:433:47:398:4120:58
9:27
-0:49

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

5:43 /mi

Average Pace

8:41 /mi

Slowest Pace

10:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:40

12% of race

Time at Steady Pace

2:13:45

59% of race

Time at Slower Pace

1:06:14

29% of race

Average Pace: 8:41 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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 mi05:34:3517:318:4517:31
8:45
#1776
4M
4.00 mi05:51:4334:398:4017:08
8:34
#1584
6M
6.00 mi06:08:2951:258:3416:46
8:23
#1425
8M
8.00 mi06:24:521:07:488:2816:23
8:11
#1320
9.6M
9.60 mi06:38:241:21:208:2813:32
8:27
#1239
10M
10.00 mi06:40:411:23:378:222:17
5:43
#1225
10.5M
10.50 mi06:46:081:29:048:295:27
10:54
#1194
12M
12.00 mi06:58:111:41:078:2612:03
8:02
#1184
14M
14.00 mi07:15:301:58:268:2817:19
8:39
#1103
16M
16.00 mi07:28:502:11:468:1413:20
6:40
#984
18M
18.00 mi07:48:082:31:048:2419:18
9:39
#1045
20M
20.00 mi08:05:482:48:448:2617:40
8:50
#1036
22M
22.00 mi08:23:143:06:108:2817:26
8:43
#1081
24M
24.00 mi08:43:453:26:418:3720:31
10:16
#1120
Finish
26.22 mi09:04:433:47:398:4120:58
9:27
#1134
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 14%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:44

Segment Time

8:36/mi

Pace

0.90 mi

Distance

Overall

1024

Men

914

Division

196

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi177615333311312(Top 18%)1138(Top 23%)242(Top 23%)
4M4.00 mi2.00 mi1584+1921376+157291+401446(Top 20%)1254(Top 25%)260(Top 25%)
6M6.00 mi2.00 mi1425+1591239+137262+291191(Top 17%)1041(Top 21%)213(Top 20%)
8M8.00 mi2.00 mi1320+1051151+88240+221085(Top 15%)957(Top 19%)201(Top 19%)
9.6M9.60 mi1.60 mi1239+811087+64225+15914(Top 13%)820(Top 16%)173(Top 17%)
10M10.00 mi0.40 mi1225+141076+11221+41094(Top 15%)964(Top 19%)211(Top 20%)
10.5M10.50 mi0.50 mi1194+311052+24218+31089(Top 15%)963(Top 19%)213(Top 20%)
12M12.00 mi1.50 mi1184+101042+10212+61312(Top 18%)1138(Top 23%)242(Top 23%)
14M14.00 mi2.00 mi1103+81975+67206+6848(Top 12%)758(Top 15%)167(Top 16%)
16M16.00 mi2.00 mi984+119877+98190+16601(Top 8%)536(Top 11%)117(Top 11%)
18M18.00 mi2.00 mi1045-61921-44199-91868(Top 26%)1544(Top 31%)339(Top 33%)
20M20.00 mi2.00 mi1036+9911+10197+21205(Top 17%)1018(Top 20%)215(Top 21%)
22M22.00 mi2.00 mi1081-45940-29205-81652(Top 23%)1347(Top 27%)283(Top 27%)
24M24.00 mi2.00 mi1120-39965-25209-42069(Top 29%)1596(Top 32%)335(Top 32%)
Finish26.22 mi2.22 mi1134-14973-8210-11627(Top 23%)1285(Top 25%)262(Top 25%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 18%
×1human
+6ft-11ft

Overall

1312

Males

1138

M30-34

244

2M→4M

2.0 - 4.0 mi

Top 20%
×4stories
+75ft-70ft

Overall

1446

Males

1254

M30-34

262

4M→6M

4.0 - 6.0 mi

Top 17%
×5stories
+71ft-18ft

Overall

1191

Males

1041

M30-34

215

6M→8M

6.0 - 8.0 mi

Top 15%
×9stories
+106ft-21ft

Overall

1085

Males

957

M30-34

203

8M→9.6M

8.0 - 9.6 mi

Top 13%
×13stories
+117ft-177ft

Overall

914

Males

820

M30-34

175

9.6M→10M

9.6 - 10.0 mi

Top 15%
×1story
+17ft-12ft

Overall

1094

Males

964

M30-34

213

10M→10.5M

10.0 - 10.5 mi

Top 15%
×9stories
+0ft-102ft

Overall

1089

Males

963

M30-34

216

10.5M→12M

10.5 - 12.0 mi

Top 18%
×18stories
+304ft-125ft

Overall

1312

Males

1138

M30-34

244

12M→14M

12.0 - 14.0 mi

Top 12%
×9stories
+99ft-125ft

Overall

848

Males

758

M30-34

169

14M→16M

14.0 - 16.0 mi

Top 8%
×9stories
+124ft-78ft

Overall

601

Males

536

M30-34

117

16M→18M

16.0 - 18.0 mi

Top 26%
×8stories
+106ft-45ft

Overall

1868

Males

1544

M30-34

340

18M→20M

18.0 - 20.0 mi

Top 17%
×3stories
+52ft-26ft

Overall

1205

Males

1018

M30-34

216

20M→22M

20.0 - 22.0 mi

Top 23%
×21stories
+17ft-266ft

Overall

1652

Males

1347

M30-34

283

22M→24M

22.0 - 24.0 mi

Top 29%
×3stories
+70ft-85ft

Overall

2069

Males

1596

M30-34

336

24M→Finish

24.0 - 26.2 mi

Top 23%
~flat
+2ft-2ft

Overall

1627

Males

1285

M30-34

262

Passing Analysis

Category:
Athletes Passed
999*
Passed By
357
Net Change
+642
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1776
2M → 4M21018+192#1776#1584
4M → 6M1623+159#1584#1425
6M → 8M109*4+105#1425#1320
8M → 9.6M854+81#1320#1239
9.6M → 10M162+14#1239#1225
10M → 10.5M332+31#1225#1194
10.5M → 12M3828+10#1194#1184
12M → 14M84*3+81#1184#1103
14M → 16M124*5+119#1103#984
16M → 18M3293-61#984#1045
18M → 20M32*23+9#1045#1036
20M → 22M21*66-45#1036#1081
22M → 24M22*61-39#1081#1120
24M → Finish31*45-14#1120#1134
TOTALS999*357+642

* 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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