Zach Nason

Bib: 4848MAge: 40

Austin, TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 7166
Gender (Male)
#0 / 5052
Masters (Masters Men)
#0 / 1321
Division (M40-44)
#0 / 435
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
20:43
Rank: #4836
Start2M
20:43 | 10:21/mi
4M
41:52
Rank: #4896 (-60)
2M4M
21:09 | 10:35/mi
6M
1:02:59
Rank: #4777 (+119)
4M6M
21:07 | 10:33/mi
8M
1:24:07
Rank: #4853 (-76)
6M8M
21:08 | 10:34/mi
9.6M
1:42:58
Rank: #4899 (-46)
8M9.6M
18:51 | 11:47/mi
10M
1:46:02
Rank: #4910 (-11)
9.6M10M
3:04 | 7:41/mi
10.5M
1:53:44
Rank: #4929 (-19)
10M10.5M
7:42 | 15:24/mi
12M
2:09:08
Rank: #4844 (+85)
10.5M12M
15:24 | 10:16/mi
14M
2:32:23
Rank: #4796 (+48)
12M14M
23:15 | 11:37/mi
16M
2:50:15
Rank: #4579 (+217)
14M16M
17:52 | 8:56/mi
18M
3:16:57
Rank: #4737 (-158)
16M18M
26:42 | 13:21/mi
20M
3:42:42
Rank: #4855 (-118)
18M20M
25:45 | 12:52/mi
22M
4:07:58
Rank: #4997 (-142)
20M22M
25:16 | 12:38/mi
24M
4:35:28
Rank: #5081 (-84)
22M24M
27:30 | 13:45/mi
Finish· 26.22 mi
5:03:31
Rank: #5111 (-30)
24MFinish
28:03 | 12:38/mi
Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 14M⚖️ Balanced
Distance14.00 mi
Time2:32:23
Pace10:53 /mi
2nd Half⚖️ Balanced
Distance12.22 mi
Time2:31:08
Pace12:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:48:4520:4310:2120:43
10:21
-
4M
4.00 mi06:09:5441:5210:2821:09
10:35
+0:14
6M
6.00 mi06:31:011:02:5910:3021:07
10:33
-0:02
8M
8.00 mi06:52:091:24:0710:3121:08
10:34
+0:01
9.6M
9.60 mi07:11:001:42:5810:4418:51
11:47
+1:13
10M
10.00 mi07:14:041:46:0210:363:04
7:41
-4:06
10.5M
10.50 mi07:21:461:53:4410:507:42
15:24
+7:43
12M
12.00 mi07:37:102:09:0810:4615:24
10:16
-5:08
14M
14.00 mi08:00:252:32:2310:5323:15
11:37
+1:21
16M
16.00 mi08:18:172:50:1510:3817:52
8:56
-2:41
18M
18.00 mi08:44:593:16:5710:5726:42
13:21
+4:25
20M
20.00 mi09:10:443:42:4211:0825:45
12:52
-0:29
22M
22.00 mi09:36:004:07:5811:1625:16
12:38
-0:14
24M
24.00 mi10:03:304:35:2811:2927:30
13:45
+1:07
Finish
26.22 mi10:31:335:03:3111:3528:03
12:38
-1:07

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:41 /mi

Average Pace

11:35 /mi

Slowest Pace

15:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:00:27

40% of race

Time at Steady Pace

42:06

14% of race

Time at Slower Pace

2:20:58

46% of race

Average Pace: 11:35 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:48:4520:4310:2120:43
10:21
#4836
4M
4.00 mi06:09:5441:5210:2821:09
10:35
#4896
6M
6.00 mi06:31:011:02:5910:3021:07
10:33
#4777
8M
8.00 mi06:52:091:24:0710:3121:08
10:34
#4853
9.6M
9.60 mi07:11:001:42:5810:4418:51
11:47
#4899
10M
10.00 mi07:14:041:46:0210:363:04
7:41
#4910
10.5M
10.50 mi07:21:461:53:4410:507:42
15:24
#4929
12M
12.00 mi07:37:102:09:0810:4615:24
10:16
#4844
14M
14.00 mi08:00:252:32:2310:5323:15
11:37
#4796
16M
16.00 mi08:18:172:50:1510:3817:52
8:56
#4579
18M
18.00 mi08:44:593:16:5710:5726:42
13:21
#4737
20M
20.00 mi09:10:443:42:4211:0825:45
12:52
#4855
22M
22.00 mi09:36:004:07:5811:1625:16
12:38
#4997
24M
24.00 mi10:03:304:35:2811:2927:30
13:45
#5081
Finish
26.22 mi10:31:335:03:3111:3528:03
12:38
#5111
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:46

Segment Time

11:58/mi

Pace

0.90 mi

Distance

Overall

5315

Men

3940

Division

341

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi483636833164411(Top 62%)3412(Top 68%)289(Top 66%)
4M4.00 mi2.00 mi4896-603719-36317-14974(Top 69%)3771(Top 75%)326(Top 75%)
6M6.00 mi2.00 mi4777+1193643+76312+54698(Top 66%)3596(Top 71%)303(Top 70%)
8M8.00 mi2.00 mi4853-763701-58317-55068(Top 71%)3836(Top 76%)321(Top 74%)
9.6M9.60 mi1.60 mi4899-463726-25314+35331(Top 74%)3973(Top 79%)340(Top 78%)
10M10.00 mi0.40 mi4910-113730-4315-15295(Top 74%)3950(Top 78%)333(Top 77%)
10.5M10.50 mi0.50 mi4929-193738-8314+15454(Top 76%)4024(Top 80%)341(Top 78%)
12M12.00 mi1.50 mi4844+853683+55309+54411(Top 62%)3412(Top 68%)289(Top 66%)
14M14.00 mi2.00 mi4796+483638+45311-24728(Top 66%)3580(Top 71%)308(Top 71%)
16M16.00 mi2.00 mi4579+2173499+139303+83406(Top 48%)2639(Top 52%)220(Top 51%)
18M18.00 mi2.00 mi4737-1583592-93311-85550(Top 77%)4016(Top 79%)355(Top 82%)
20M20.00 mi2.00 mi4855-1183649-57314-35606(Top 78%)4026(Top 80%)354(Top 81%)
22M22.00 mi2.00 mi4997-1423721-72316-25773(Top 81%)4099(Top 81%)356(Top 82%)
24M24.00 mi2.00 mi5081-843762-41319-35418(Top 76%)3855(Top 76%)330(Top 76%)
Finish26.22 mi2.22 mi5111-303783-21318+15091(Top 71%)3654(Top 72%)312(Top 72%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 62%
×1human
+6ft-11ft

Overall

4411

Males

3412

M40-44

290

2M→4M

2.0 - 4.0 mi

Top 69%
×4stories
+75ft-70ft

Overall

4974

Males

3771

M40-44

327

4M→6M

4.0 - 6.0 mi

Top 66%
×5stories
+71ft-18ft

Overall

4698

Males

3596

M40-44

304

6M→8M

6.0 - 8.0 mi

Top 71%
×9stories
+106ft-21ft

Overall

5068

Males

3836

M40-44

322

8M→9.6M

8.0 - 9.6 mi

Top 74%
×13stories
+117ft-177ft

Overall

5331

Males

3973

M40-44

341

9.6M→10M

9.6 - 10.0 mi

Top 74%
×1story
+17ft-12ft

Overall

5295

Males

3950

M40-44

334

10M→10.5M

10.0 - 10.5 mi

Top 76%
×9stories
+0ft-102ft

Overall

5454

Males

4024

M40-44

342

10.5M→12M

10.5 - 12.0 mi

Top 62%
×18stories
+304ft-125ft

Overall

4411

Males

3412

M40-44

290

12M→14M

12.0 - 14.0 mi

Top 66%
×9stories
+99ft-125ft

Overall

4728

Males

3580

M40-44

309

14M→16M

14.0 - 16.0 mi

Top 48%
×9stories
+124ft-78ft

Overall

3406

Males

2639

M40-44

221

16M→18M

16.0 - 18.0 mi

Top 77%
×8stories
+106ft-45ft

Overall

5550

Males

4016

M40-44

356

18M→20M

18.0 - 20.0 mi

Top 78%
×3stories
+52ft-26ft

Overall

5606

Males

4026

M40-44

354

20M→22M

20.0 - 22.0 mi

Top 81%
×21stories
+17ft-266ft

Overall

5773

Males

4099

M40-44

356

22M→24M

22.0 - 24.0 mi

Top 76%
×3stories
+70ft-85ft

Overall

5418

Males

3855

M40-44

330

24M→Finish

24.0 - 26.2 mi

Top 71%
~flat
+2ft-2ft

Overall

5091

Males

3654

M40-44

312

Passing Analysis

Category:
Athletes Passed
1114*
Passed By
1389
Net Change
-275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4836
2M4M122*182-60#4836#4896
4M6M18566+119#4896#4777
6M8M40*116-76#4777#4853
8M9.6M76*122-46#4853#4899
9.6M10M1122-11#4899#4910
10M10.5M4867-19#4910#4929
10.5M12M11530+85#4929#4844
12M14M99*51+48#4844#4796
14M16M233*16+217#4796#4579
16M18M50208-158#4579#4737
18M20M30*148-118#4737#4855
20M22M25*167-142#4855#4997
22M24M31*115-84#4997#5081
24MFinish49*79-30#5081#5111
TOTALS1114*1389-275

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events